Phase relations and structures of solids at high pressures

Klement, 1966, Progr. Solid State Chem., 3, 289, 10.1016/0079-6786(67)90037-4 1966, Volumes 1–3 1974, Vol. 4 Banus, 1969, High Temp. High Press., 1, 483 Edgar, 1971, High Temp. High Press., 3, 1 Cannon, 1974, J. Phys. Chem. Ref. Data, 3, 781, 10.1063/1.3253148 Hall, 1971, Nat. Bur. Stand. (U.S.) Spec. Publ., 326, 313 Drickamer, 1970, Rev. Sci. Instrum., 41, 1667, 10.1063/1.1684377 Weaver, 1971, Nat. Bur. Stand. (U.S.) Spec. Publ., 326, 189 Liu, 1973, J. Appl. Phys., 44, 1475, 10.1063/1.1662396 1971, 326 Hanneman, 1965, J. Appl. Phys., 36, 523, 10.1063/1.1714023 Hanneman, 1966, J. Appl. Phys., 37, 612, 10.1063/1.1708224 Getting, 1970, J. Appl. Phys., 41, 4552, 10.1063/1.1658495 Hanneman, 1971, Nat. Bur. Stand. (U.S.) Spec. Publ., 326, 53 Wentorf, 1971, Nat. Bur. Stand. (U.S.) Spec. Publ., 326, 81 Williams, 1969, J. Geophys. Res., 74, 4359, 10.1029/JB074i017p04359 Mao, 1969, Carnegie Inst. (Washington) Yearb., 69, 207 Presnall, 1973, Am. Mineral., 58, 771 Haygarth, 1967, Rev. Sci. Instrum., 38, 1590, 10.1063/1.1720610 Luedemann, 1968, J. Geophys. Res., 73, 2795, 10.1029/JB073i008p02795 Pistorius, 1965, J. Phys. Chem. Solids, 26, 1543, 10.1016/0022-3697(65)90054-5 Rapoport, 1966, J. Chem. Phys., 45, 2721, 10.1063/1.1728017 Akella, 1969, Phys. Rev., 185, 1135, 10.1103/PhysRev.185.1135 Green, 1966, J. Geophys. Res., 71, 3589, 10.1029/JZ071i014p03589 Tamayama, 1967, Rev. Sci. Instrum., 38, 1009, 10.1063/1.1720958 Pistorius, 1967, Rev. Sci. Instrum., 38, 1741, 10.1063/1.1720660 Johannes, 1971, Contr. Mineral. Petrol., 32, 24, 10.1007/BF00372231 Kim, 1974, J. Geophys. Res., 79, 3325, 10.1029/JB079i023p03325 Mirwald, P.W., Getting, I.C. and Kennedy, G.C., unpublished. Jayaraman, 1967, Rev. Sci. Instrum., 38, 44, 10.1063/1.1720527 Brouha, 1973, Rev. Sci. Instrum., 44, 852, 10.1063/1.1686262 Reshamwala, 1974, J. Phys. E: Sci. Instrum., 7, 133, 10.1088/0022-3735/7/2/016 Okai, 1971, Jap. J. Appl. Phys., 10, 534, 10.1143/JJAP.10.534 Okai, 1973, High Temp. High Press., 5, 675 Nishikawa, 1971, High Temp. High Press., 3, 161 Vereshchagin, 1971, Dokl. Akad. Nauk SSSR, 196, 1057 Wakatsuki, 1972, Jap. J. Appl. Phys., 11, 578, 10.1143/JJAP.11.578 Ringwood, 1966, Earth Planet. Sci. Lett., 1, 241, 10.1016/0012-821X(66)90077-X Vereshchagin, 1972, Zh. Tekhn. Fiz., 42, 2621 Vereshchagin, 1972, Zh. Eksp. Teor. Fiz. Pis'ma, 16, 240 Bastide, 1972, Compt. Rend. Acad. Sci. (Paris), 274C, 562 Leger, 1972, Phys. Rev., 6B, 4250, 10.1103/PhysRevB.6.4250 Montgomery, 1967, Rev. Sci. Instrum., 38, 1073, 10.1063/1.1720969 Zeto, 1972, Rev. Sci. Instrum., 43, 132, 10.1063/1.1685411 Vereshchagin, 1969, Dokl. Akad. Nauk SSSR, 183, 565 Lorent, 1973, Rev. Sci. Instrum., 44, 1691, 10.1063/1.1686033 Kawai, 1973, 49, 623 Class, 1966, Norelco Reporter, 13, 87 Endo, 1971, Jap. J. Appl. Phys., 10, 558, 10.1143/JJAP.10.558 Kolobyanina, 1972, High Temp. High Press., 4, 207 Saito, 1969, Jap. J. Appl. Phys., 8, 797, 10.1143/JJAP.8.797 Halleck, 1974, Rev. Sci. Instrum., 45, 1408, 10.1063/1.1686514 McWhan, 1967, J. Appl. Phys., 38, 347, 10.1063/1.1708980 Bassett, 1967, Rev. Sci. Instrum., 38, 37, 10.1063/1.1720525 Bassett, 1974 Ming, 1974, Rev. Sci. Instrum., 45, 1115, 10.1063/1.1686822 Contre, 1970, 188, 477 Inoue, 1973, Jap. J. Appl. Phys., 12, 1786, 10.1143/JJAP.12.1786 Brown, 1972, J. Chem. Phys., 57, 2009, 10.1063/1.1678523 Albritton, 1972, High Temp. High Press., 4, 13 Jamieson, 1971, Nat. Bur. Stand. (U.S.) Spec. Publ., 326, 321 Sato, 1973, High Temp. High Press., 5, 289 Weir, 1969, Rev. Sci. Instrum., 40, 1133, 10.1063/1.1684179 Fourme, 1971, 5 Brugger, R.M., Bennion, R.B., Worlton, T.G. and Peterson, E.R., USAEC Report IDO-17170. Brugger, 1967, Phys. Lett., 24A, 714, 10.1016/0375-9601(67)90230-7 McWhan, 1974, Rev. Sci. Instrum., 45, 643, 10.1063/1.1686704 Smith, 1970, 188, 191 Jura, 1969, Rev. Sci. Instrum., 40, 656, 10.1063/1.1684030 Loriers-Susse, 1973, Rev. Sci. Instrum., 44, 1344, 10.1063/1.1686383 Dzhavadov, 1973, High Temp. High Press., 5, 455 Murri, 1974, Vol. 4 1965, 189 Meyer, 1969, Adv. Chem. Phys., 16, 343, 10.1002/9780470143612.ch7 Ashcroft, 1968, Phys. Rev. Lett., 21, 1748, 10.1103/PhysRevLett.21.1748 Neece, 1971, J. Comput. Phys., 7, 621, 10.1016/0021-9991(71)90117-3 Chapline, 1972, Phys. Rev., 6B, 2067, 10.1103/PhysRevB.6.2067 Østgaard, 1972, Z. Phys., 252, 95, 10.1007/BF01391808 Østgaard, 1973, Phys. Lett., 45A, 371, 10.1016/0375-9601(73)90242-9 Van Thiel, 1973, Phys. Rev. Lett., 31, 979, 10.1103/PhysRevLett.31.979 Grigor'ev, 1972, Zh. Eksp. Teor. Fiz. Pis'ma, 16, 286 Dynin, 1971, Fiz. Tverd. Tela, 13, 2488 Schneider, 1969, Helv. Phys. Acta, 42, 957 Schneider, 1969, Solid State Commun., 7, 875, 10.1016/0038-1098(69)90432-3 Schneider, 1970, Helv. Phys. Acta, 43, 453 Schneider, 1971, Physica, 55, 702, 10.1016/0031-8914(71)90322-3 Iordanskii, 1973, Zh. Eksp. Teor. Fiz. Pis'ma, 17, 530 Brovman, 1971, Zh. Eksp. Teor. Fiz., 61, 2429 Brovman, 1972, Zh. Eksp. Teor. Fiz., 62, 1492 Stoll, 1974, Nuov. Cim., 23B, 90, 10.1007/BF02737500 Stager, 1963, Phys. Rev., 132, 124, 10.1103/PhysRev.132.124 Anderson, 1971, J. Chem. Phys., 54, 234, 10.1063/1.1674598 Ivanov, 1970, Zh. Eksp. Teor. Fiz. Pis'ma, 12, 12 Ivanov, 1974, Phys. Lett., 47A, 75, 10.1016/0375-9601(74)90113-3 Stishov, 1971, Zh. Eksp. Teor. Fiz., 60, 665 Bastide, 1969, Compt. Rend. Acad. Sci. (Paris), 268B, 1511 Sternheimer, 1950, Phys. Rev., 78, 235, 10.1103/PhysRev.78.235 Gandel'man, 1973, Zh. Eksp. Teor. Fiz., 65, 226 Bundy, 1959, Phys. Rev., 115, 274, 10.1103/PhysRev.115.274 Vereshchagin, 1969, Dokl. Akad. Nauk SSSR, 186, 1045 Rice, 1965, J. Phys. Chem. Solids, 26, 483, 10.1016/0022-3697(65)90122-8 Anderson, 1969, J. Phys. Chem. Solids, 30, 1587, 10.1016/0022-3697(69)90220-0 Jayaraman, 1967, Phys. Rev., 159, 527, 10.1103/PhysRev.159.527 McWhan, 1969, Solid State Commun., 7, 301, 10.1016/0038-1098(69)90405-0 Stishov, 1968, Zh. Eksp. Teor. Fiz., 54, 708 Stager, 1964, Phys. Rev. Lett., 12, 19, 10.1103/PhysRevLett.12.19 Wittig, 1970, Phys. Rev. Lett., 24, 812, 10.1103/PhysRevLett.24.812 Weir, 1971, J. Chem. Phys., 54, 2768, 10.1063/1.1675251 Makarenko, 1973, Zh. Eksp. Teor. Fiz. Pis'ma, 18, 320 Averill, 1971, Phys. Rev., 4B, 3315, 10.1103/PhysRevB.4.3315 Louie, 1974, Phys. Rev., 10B, 3237, 10.1103/PhysRevB.10.3237 Conklin, 1972, 33, C3 Rapoport, 1967, J. Chem. Phys., 46, 2891, 10.1063/1.1841150 Rapoport, 1968, J. Chem. Phys., 48, 1433, 10.1063/1.1668858 Ramesh, 1972, Phys. Lett., 39A, 308, 10.1016/0375-9601(72)91003-1 Ramesh, 1973, Pramana, 1, 21, 10.1007/BF02846145 Francois, 1966, 201 Contre, 1966, AEC Acc. No. 41485, Rept. No. AED-CONF-66-021-8, 20 Al'tshuler, 1967, Zh. Eksp. Teor. Fiz., 53, 1967 Vasvari, 1967, Phil. Mag., 15, 731, 10.1080/14786436708220920 Jayaraman, 1963, Phys. Rev., 132, 1620, 10.1103/PhysRev.132.1620 Asano, 1973, J. Phys. Soc. Japan, 35, 767, 10.1143/JPSJ.35.767 Animalu, 1967, Phys. Rev., 161, 445, 10.1103/PhysRev.161.445 Moriarty, 1973, Phys. Rev., 8B, 1338, 10.1103/PhysRevB.8.1338 Bastide, 1970, High Temp. High Press., 2, 237 Bastide, 1968, Compt. Rend. Acad. Sci. (Paris), 267C, 857 Evdokimova, 1966, Usp. Fiz. Nauk, 88, 93, 10.3367/UFNr.0088.196601c.0093 Jeffery, 1966, J. Appl. Phys., 37, 3172, 10.1063/1.1703181 Haygarth, 1967, J. Appl. Phys., 38, 4557, 10.1063/1.1709184 Zeto, 1969, J. Appl. Phys., 40, 2227, 10.1063/1.1657962 Kawai, 1970, Jap. J. Appl. Phys., 9, 31, 10.1143/JJAP.9.31 Drickamer, H.G., unpublished (quoted in Ref. 1). Moodenbaugh, 1973, Phys. Lett., 43A, 479, 10.1016/0375-9601(73)90002-9 Il'ina, 1970, Zh. Eksp. Teor. Fiz. Pis'ma, 11, 26 Il'ina, 1971, Zh. Eksp. Teor. Fiz., 61, 2357 Moodenbaugh, 1973, J. Low Temp. Phys., 10, 203, 10.1007/BF00655252 Jayaraman, 1964, Phys. Rev., 135, A1056, 10.1103/PhysRev.135.A1056 Stephens, 1965, J. Phys. Chem. Solids, 26, 943, 10.1016/0022-3697(65)90181-2 Bakanova, 1969, Fiz. Tverd. Tela, 11, 1881 Gust, 1973, Phys. Rev., 8B, 3595, 10.1103/PhysRevB.8.3595 Kayser, 1970, Phys. Rev. Lett., 25, 662, 10.1103/PhysRevLett.25.662 Kayser, 1971, Phys. Stat. Sol., 8a, 233, 10.1002/pssa.2210080124 Vedernikov, 1974, Phys. Lett., 48A, 293, 10.1016/0375-9601(74)90510-6 Bucher, 1970, Phys. Rev., 2B, 3911, 10.1103/PhysRevB.2.3911 Rieux, 1971, Solid State Commun., 9, 1179, 10.1016/0038-1098(71)90490-X McWhan, 1969, Phys. Rev., 177, 1063, 10.1103/PhysRev.177.1063 Jerome, 1969, Solid State Commun., 7, 957, 10.1016/0038-1098(69)90551-1 Johansen, 1970, Solid State Commun., 8, 121, 10.1016/0038-1098(70)90585-5 Akella, 1973, J. Phys. Chem. Solids, 34, 631, 10.1016/S0022-3697(73)80168-4 Bridgman, 1925, 60, 346 Voronov, 1972, Fiz. Metal. Metalloved., 34, 1106 Perez-Albuerne, 1966, Phys. Rev., 142, 392, 10.1103/PhysRev.142.392 Lynch, 1965, J. Phys. Chem. Solids, 26, 63, 10.1016/0022-3697(65)90073-9 McWhan, 1965, J. Appl. Phys., 36, 664, 10.1063/1.1714059 Palmy, 1971, Physica, 55, 663, 10.1016/0031-8914(71)90317-X Boughton, 1969, Helv. Phys. Acta, 42, 587 Bogdanov, 1969, Trudy Metrol. Inst. SSSR, 104, 33 Bogdanov, 1971, Trudy Vses. Nauch-Issled. Inst. Fiz.-Tekh. Radiotekh. Izmer., 106 Richter, 1972, J. Less-Common Metals, 29, 217, 10.1016/0022-5088(72)90193-2 Richter, 1973, Acta Met., 21, 391, 10.1016/0001-6160(73)90195-8 Schmutzler, 1968, Ber. Bunsenges. Phys. Chem., 72, 1194, 10.1002/bbpc.19680720922 Hensel, 1968, Rev. Mod. Phys., 40, 697, 10.1103/RevModPhys.40.697 Gey, 1966, Solid State Commun., 4, 403, 10.1016/0038-1098(66)90256-0 Il'ina, 1970, Fiz. Tverd. Tela, 12, 1240 Andersen, 1967, J. Electrochem. Soc., 114, 805, 10.1149/1.2426740 Roy, 1969, Nature (London), 224, 905, 10.1038/224905a0 Raimondi, 1967, J. Phys. Chem. Solids, 28, 1419, 10.1016/0022-3697(67)90270-3 Bosio, 1969, Acta Cryst., B25, 995, 10.1107/S0567740869003360 Bosio, 1972, Acta Cryst., B28, 1974, 10.1107/S0567740872005357 Bosio, 1973, Acta Cryst., B29, 367, 10.1107/S0567740873002530 Bosio, 1968, J. Chim. Phys., 65, 719, 10.1051/jcp/1968650719 Bosio, 1970, Compt. Rend. Acad. Sci. (Paris), 270B, 1453 Romanova, 1969, Izv. Akad. Nauk SSSR Metal., 76 Bizid, 1974, Phys. Stat. Sol., 23a, 135, 10.1002/pssa.2210230115 Fadeev, 1969, Zh. Fiz. Khim., 43, 220 Fadeev, 1971, Russ. J. Phys. Chem., 45, 1051 Graham, 1955, J. Inst. Met., 84, 86 Moore, 1955, Acta Met., 3, 579, 10.1016/0001-6160(55)90118-8 Smith, 1966, Phys. Rev., 146, 291, 10.1103/PhysRev.146.291 Maple, 1969, Phys. Rev. Lett., 23, 1375, 10.1103/PhysRevLett.23.1375 Zarubina, 1972, Fiz. Tverd. Tela, 14, 2890 Frolov, 1969, Fiz. Metal. Metalloved., 28, 993 Smith, 1970, 188, 191 Phillips, 1968, Phys. Lett., 27A, 49, 10.1016/0375-9601(68)91331-5 Coqblin, 1968, Adv. Phys., 17, 281, 10.1080/00018736800101306 MacPherson, 1971, Phys. Rev. Lett., 26, 20, 10.1103/PhysRevLett.26.20 Katzman, 1972, Phys. Rev. Lett., 20, 998, 10.1103/PhysRevLett.29.998 Nicolas-Francillon, 1973, Solid State Commun., 12, 523, 10.1016/0038-1098(73)90648-0 Khvostantsev, 1973, High Temp. High Press., 5, 657 Aptekar, 1968, Fiz. Metal. Metalloved., 25, 777 Kutsar, 1972, Fiz. Metal. Metalloved., 33, 1104 Franceschi, 1969, Phys. Rev. Lett., 22, 1299, 10.1103/PhysRevLett.22.1299 King, 1970, Phys. Rev., 1B, 1380, 10.1103/PhysRevB.1.1380 McWhan, 1970, Phys. Rev., 1B, 2826, 10.1103/PhysRevB.1.2826 Ellinger, 1974, Phys. Rev. Lett., 32, 773, 10.1103/PhysRevLett.32.773 Wittig, 1968, Phys. Rev. Lett., 21, 1250, 10.1103/PhysRevLett.21.1250 Kiwi, 1972, Phys. Rev., 6B, 3700, 10.1103/PhysRevB.6.3700 Stager, 1964, Phys. Rev., 133, A830, 10.1103/PhysRev.133.A830 Stephens, 1965, J. Phys. Chem. Solids, 26, 943, 10.1016/0022-3697(65)90181-2 Jayaraman, 1965, Phys. Rev., 139, A690, 10.1103/PhysRev.139.A690 King, 1970, J. Less-Common Metals, 21, 275, 10.1016/0022-5088(70)90149-9 Stephens, 1969, J. Less-Common Metals, 17, 243, 10.1016/0022-5088(69)90058-7 McWhan, 1965, Phys. Rev., 139, A682, 10.1103/PhysRev.139.A682 Wakabayashi, 1968, J. Phys. Soc. Japan, 25, 227, 10.1143/JPSJ.25.227 Perez-Albuerne, 1966, Phys. Rev., 142, 392, 10.1103/PhysRev.142.392 Jayaraman, 1964, Phys. Rev., 134, A691, 10.1103/PhysRev.134.A691 Liu, 1973, Science, 180, 298, 10.1126/science.180.4083.298 Liu, 1975, J. Phys. Chem. Solids, 36, 31, 10.1016/0022-3697(75)90127-4 Bakanova, 1969, Fiz. Tverd. Tela, 11, 1881 Gust, 1973, Phys. Rev., 8B, 3595, 10.1103/PhysRevB.8.3595 Altstetter, 1973, Met. Trans., 4, 2723, 10.1007/BF02644572 Koch, 1970, J. Less-Common Metals, 22, 149, 10.1016/0022-5088(70)90017-2 Kawai, 1967, J. Phys. Soc. Japan, 23, 475, 10.1143/JPSJ.23.475 Bartholin, 1968, J. Appl. Phys., 39, 889, 10.1063/1.1656323 Bartholin, 1967, Compt. Rend. Acad. Sci. (Paris), 264B, 1135 Bartholin, 1968, J. Phys. Chem. Solids, 29, 1063, 10.1016/0022-3697(68)90242-4 Bartholin, 1970, 188, 31 Wazzan, 1967, Phys. Rev., 159, 400, 10.1103/PhysRev.159.400 Fujii, 1969, J. Sci. Hiroshima Univ. A-II, 33, 43 Okamoto, 1966, J. Phys. Soc. Japan, 21, 2727, 10.1143/JPSJ.21.2727 Milton, 1967, Phys. Rev., 160, 387, 10.1103/PhysRev.160.387 Okamoto, 1968, J. Phys. Soc. Japan, 24, 951, 10.1143/JPSJ.24.951 Livshitz, 1965, Zh. Eksp. Teor. Fiz., 48, 1050 Robinson, 1964, Phys. Rev., 134, A187, 10.1103/PhysRev.134.A187 Zil'bershteyn, 1973, Fiz. Metal. Metalloved., 35, 584 German, 1970, Fiz. Tverd. Tela, 12, 637 Kutsar, 1973, Dokl. Akad. Nauk SSSR, 213, 81 Olinger, 1973, High Temp. High Press., 5, 123 Fateeva, 1971, Dokl. Akad. Nauk SSSR, 197, 1060 Fateeva, 1971, Zh. Eksp. Teor. Fiz. Pis'ma, 14, 233 Vereshchagin, 1968, Zh. Eksp. Teor. Fiz., 55, 1145 McWhan, 1967, Phys. Rev. Lett., 19, 846, 10.1103/PhysRevLett.19.846 Rice, 1969, J. Appl. Phys., 40, 1337, 10.1063/1.1657663 Herring, 1966, Vol. 4 Fletcher, 1973, J. Phys. F: Metal Phys., 3, L22, 10.1088/0305-4608/3/1/007 Evenson, 1965, Science, 150, 1164, 10.1126/science.150.3700.1164 Bonilla, 1974, J. Phys. Chem. Solids, 35, 871, 10.1016/S0022-3697(74)80269-6 Finkel', 1969, Zh. Eksp. Teor. Fiz., 57, 1065 Suzuki, 1966, J. Phys. Soc. Japan, 21, 2089, 10.1143/JPSJ.21.2089 Köhnlein, 1968, Z. Phys., 208, 142, 10.1007/BF01380119 Berman, 1973, Fiz. Tverd. Tela, 15, 1070 Smith, 1970, Phys. Lett., 33A, 465, 10.1016/0375-9601(70)90611-0 Brandt, 1969, Zh. Eksp. Teor. Fiz., 57, 1090 Kaufman, L., personal communication quoted in Ref. 225. Liu, 1970, J. Phys. Chem. Solids, 31, 1345, 10.1016/0022-3697(70)90138-1 Chu, 1968, Phys. Lett., 26A, 627, 10.1016/0375-9601(68)90161-8 Môri, 1972, Phys. Lett., 39A, 413, 10.1016/0375-9601(72)90119-3 Môri, 1974, J. Phys. Soc. Japan, 37, 1285, 10.1143/JPSJ.37.1285 Sawaoka, 1971, Phys. Stat. Sol., 47b, K99, 10.1002/pssb.2220470243 Strong, 1973, Met. Trans., 4, 2657, 10.1007/BF02644272 Leger, 1971, Nat. Bur. Stand. (U.S.) Spec. Publ., 326, 251 Leger, 1972, Phys. Rev., 6B, 4250, 10.1103/PhysRevB.6.4250 Giles, 1971, J. Appl. Phys., 42, 4290, 10.1063/1.1659768 Blackburn, 1965, Acta Met., 13, 533, 10.1016/0001-6160(65)90104-5 Giles, 1971, Met. Trans., 2, 1371, 10.1007/BF02913362 Mao, 1967, J. Appl. Phys., 38, 272, 10.1063/1.1708965 Tsai, 1971, Trans. Am. Cryst. Assoc., 7, 107 Leger, 1967, Solid State Commun., 5, 755, 10.1016/0038-1098(67)90366-3 Cohen, 1966, Phys. Rev., 145, 519, 10.1103/PhysRev.145.519 Mitra, 1967, Phys. Rev., 161, 613, 10.1103/PhysRev.161.613 Akella, 1971, J. Geophys. Res., 76, 4969, 10.1029/JB076i020p04969 Silberstein, 1969, Fiz. Metal. Metalloved, 28, 369 Schock, 1971, Fiz. Metal. Metalloved, 31, 1100 Wejgaard, 1969, Phys. Lett., 29A, 396, 10.1016/0375-9601(69)90324-7 Kutsar, 1971, Fiz. Metal. Metalloved, 32, 886 Takahashi, 1969, Science, 165, 1352, 10.1126/science.165.3900.1352 Mii, 1973, High Temp. High Press., 5, 155 Klement, 1963, J. Chem. Phys., 38, 298, 10.1063/1.1733654 Eichler, 1968, Z. Angew. Phys., 25, 319 Hodder, 1969, Phys. Rev., 180, 530, 10.1103/PhysRev.180.530 Wu, 1969, Phys. Lett., 30A, 347, 10.1016/0375-9601(69)90842-1 Khrushchev, 1970, Zh. Strukt. Khim., 11, 134 Nikolaev, 1972, Fiz. Tverd. Tela, 14, 2337 Barnett, 1966, J. Appl. Phys., 37, 875, 10.1063/1.1708275 Musgrave, 1969, J. Phys. Chem. Solids, 30, 1091, 10.1016/0022-3697(69)90365-5 Hafner, 1974, Phys. Rev., 10B, 4151, 10.1103/PhysRevB.10.4151 Wittig, 1966, Z. Phys., 195, 228, 10.1007/BF01328890 Vaidya, 1969, J. Phys. Chem. Solids, 30, 1411, 10.1016/0022-3697(69)90203-0 Lees, 1969, High Temp. High Press., 1, 601 Wittig, 1966, Z. Phys., 195, 215, 10.1007/BF01328889 Wentorf, 1963, Science, 139, 338, 10.1126/science.139.3552.338-a Vereshchagin, 1966, Dokl. Akad. Nauk SSSR, 168, 314 Kasper, 1964, Acta Cryst., 17, 752, 10.1107/S0365110X64001840 Bundy, 1969, 72B, 302 Vereshchagin, 1968, Zh. Eksp. Teor. Fiz., 55, 1145 Fateeva, 1971, Zh. Eksp. Teor. Fiz. Pis'ma, 13, 157 De Carli, 1961, Science, 133, 1821, 10.1126/science.133.3467.1821 Samara, 1962, J. Chem. Phys., 37, 474, 10.1063/1.1701360 Aust, 1963, Science, 140, 817, 10.1126/science.140.3568.817 Aust, 1964, J. Chem. Phys., 41, 1856, 10.1063/1.1726167 Alder, 1961, Phys. Rev. Lett., 7, 367, 10.1103/PhysRevLett.7.367 Vereshchagin, 1972, Zh. Eksp. Teor. Fiz. Pis'ma, 16, 382 Vereshchagin, 1973, Zh. Eksp. Teor. Fiz. Pis'ma, 17, 422 Frondel, 1967, Nature (London), 214, 587, 10.1038/214587a0 Hanneman, 1967, Science, 155, 995, 10.1126/science.155.3765.995 Netherland Patent Release No. 6506395, 22 November 1965, E.I. du Pont de Nemours and Company. Bundy, 1967, J. Chem. Phys., 46, 3437, 10.1063/1.1841236 Lonsdale, 1971, Am. Mineral., 56, 333 El Goresy, 1968, Science, 161, 363, 10.1126/science.161.3839.363 Whittaker, 1969, Science, 165, 589, 10.1126/science.165.3893.589 Whittaker, 1969, Carnegie Inst. (Washington) Yearb., 69, 311 Kasatochkin, 1973, Dokl. Akad. Nauk SSSR, 209, 388 Morita, 1972, Solid State Commun., 11, 927, 10.1016/0038-1098(72)90291-8 Vaidya, 1973, Current Science, 42, 79 Weigel, 1973, Solid State Commun., 13, 723, 10.1016/0038-1098(73)90468-7 Korsunskaya, 1972, Dokl. Akad. Nauk SSSR, 204, 909 Van Vechten, 1973, Phys. Rev., B7, 1479, 10.1103/PhysRevB.7.1479 Tamura, 1974, J. Phys. Soc. Japan, 36, 558, 10.1143/JPSJ.36.558 Shimomura, 1974, Phil. Mag., 29, 547, 10.1080/14786437408213238 Minomura, S., personal communication quoted in Ref. 282. Isherwood, 1972, J. Non-Cryst. Solids, 8–10, 691, 10.1016/0022-3093(72)90212-8 Kuznetsov, 1972, Zh. Fiz. Khim., 46, 3081 Korsunskaya, 1972, Fiz. Metal. Metalloved, 34, 942 Romanova, 1970, Ukr. Fiz. Zh., 15, 712 Stephenson, 1969, J. Chem. Thermod., 1, 59, 10.1016/0021-9614(69)90037-8 Bridgman, 1914, Phys. Rev., 3, 153, 10.1103/PhysRev.3.153 Gabrysh, 1964, J. Phys. Chem. Solids, 25, 129, 10.1016/0022-3697(64)90169-6 Kovarskii, 1971, Dokl. Akad. Nauk SSSR, 196, 1355 Long, 1966, 5, 97 Sorgato, 1970, High Temp. High Press., 2, 105 Hultgren, 1935, J. Chem. Phys., 3, 351, 10.1063/1.1749671 Marani, 1968, Chim. Industr., 50, 663 Jamieson, 1963, Science, 139, 1291, 10.1126/science.139.3561.1291 Wittig, 1968, Science, 160, 994, 10.1126/science.160.3831.994 Berman, 1968, Zh. Eksp. Teor. Fiz. Pis'ma, 7, 412 Schirber, 1971, Phys. Rev. Lett., 26, 246, 10.1103/PhysRevLett.26.246 Berman, 1969, Zh. Eksp. Teor. Fiz. Pis'ma, 10, 88 Duggin, 1972, J. Phys. Chem. Solids, 33, 1267, 10.1016/S0022-3697(72)80166-5 Stishov, 1965, Zh. Eksp. Teor. Fiz., 48, 1215 Pospelov, 1970, Fiz. Tverd. Tela, 12, 2135 Kabalkina, 1963, Dokl. Akad. Nauk SSSR, 152, 585 Kolobyanina, 1968, Zh. Eksp. Teor. Fiz., 55, 164 Kabalkina, 1970, Zh. Eksp. Teor. Fiz., 58, 486 Wittig, 1969, J. Phys. Chem. Solids, 30, 1407, 10.1016/0022-3697(69)90202-9 Haygarth, 1969, J. Phys. Chem. Solids, 30, 1417, 10.1016/0022-3697(69)90204-2 Nichols, 1971, J. Phys. D: Appl. Phys., 4, 783, 10.1088/0022-3727/4/6/308 Nichols, 1972, J. Phys. D: Appl. Phys., 5, 799, 10.1088/0022-3727/5/4/322 Nichols, 1972, J. Phys. D: Appl. Phys., 5, 1898, 10.1088/0022-3727/5/10/322 Kossowsky, 1966, Trans. Met. Soc. AIME, 236, 1746 Tikhomirova, 1966, Zh. Eksp. Teor. Fiz. Pis'ma, 3, 96 Il'ina, 1966, Fiz. Tverd. Tela, 8, 2349 Roux, 1970, 188, 447 Compy, 1970, J. Appl. Phys., 41, 2014, 10.1063/1.1659158 Mori, 1971, Phys. Lett., 34A, 190, 10.1016/0375-9601(71)90821-8 Yomo, 1972, J. Phys. Soc. Japan, 32, 667, 10.1143/JPSJ.32.667 Schaufelberger, 1972, High Temp. High Press., 4, 111 Schaufelberger, 1973, High Temp. High Press., 5, 221 Il'ina, 1970, Zh. Eksp. Teor. Fiz. Pis'ma, 11, 328 Il'ina, 1972, Fiz. Tverd. Tela, 14, 395 Brugger, 1969, Trans. Am. Cryst. Assoc., 5, 141 Pistorius, C.W.F.T., unpublished. Bastide, 1971, 102 Kolobyanina, 1970, Zh. Eksp. Teor. Fiz., 59, 1146 Geller, 1966, Science, 152, 644, 10.1126/science.152.3722.644 Sclar, 1966, J. Phys. Chem. Solids, 27, 1339, 10.1016/0022-3697(66)90018-7 Baak, 1965, Science, 148, 1220, 10.1126/science.148.3674.1220 Vezzoli, 1969, Science, 166, 218, 10.1126/science.166.3902.218 Ward, 1967, Phys. Rev., 153, 947, 10.1103/PhysRev.153.947 Susse, 1966, Compt. Rend. Acad. Sci. (Paris), 263C, 613 Susse, 1966, J. Chim. Phys., 63, 1502, 10.1051/jcp/1966631502 Vezzoli, 1969, Inorg. Chem., 8, 2658, 10.1021/ic50082a023 Paukov, 1965, Dokl. Akad. Nauk SSSR, 164, 588 Paukov, 1967, Zh. Fiz. Khim., 41, 1857 Block, 1973, High Temp. High Press., 5, 567 Tonkov, 1970, Dokl. Akad. Nauk SSSR, 190, 912 Vezzoli, 1969, J. Polymer Sci. A-I, 7, 1557, 10.1002/pol.1969.150070618 Deaton, 1965, Phys. Rev., 137, A1131, 10.1103/PhysRev.137.A1131 Bell, 1965, Carnegie Inst. (Washington) Yearb., 65, 354 Geller, 1969, Trans. Am. Cryst. Assoc., 5, 81 David, 1958, J. Chem. Phys., 28, 1006, 10.1063/1.1744263 Joigneau, 1958, Compt. Rend. Acad. Sci. (Paris), 246, 3422 Geller, 1969, Acta Cryst., B25, 2166, 10.1107/S0567740869005334 Lind, 1969, J. Chem. Phys., 51, 348, 10.1063/1.1671729 Vezzoli, 1970, Inorg. Chem., 9, 2478, 10.1021/ic50093a020 Roof, 1972, Austr. J. Phys., 25, 335, 10.1071/PH720335 Vaidya, 1972, J. Phys. Chem. Solids, 33, 1377, 10.1016/S0022-3697(72)80432-3 Kuballa, 1971, Ber. Bunsenges. Phys. Chem., 75, 513, 10.1002/bbpc.19710750604 Bradley, 1924, Phil. Mag., 48, 477, 10.1080/14786442408634511 Burbank, 1951, Acta Cryst., 4, 140, 10.1107/S0365110X5100043X Marsh, 1953, Acta Cryst., 6, 71, 10.1107/S0365110X53000168 Andrievskii, 1959, Sov. Phys. Dokl., 4, 16 Andrievskii, 1960, Sov. Phys. Cryst., 5, 442 Susse, 1964, Compt. Rend. Acad. Sci. (Paris), 258, 4513 Alekseev, 1965, Fiz. Tverd. Tela, 7, 1787 Tonkov, 1965, Dokl. Akad. Nauk SSSR, 160, 619 Balchan, 1961, J. Chem. Phys., 34, 1948, 10.1063/1.1731798 McCann, 1972, J. Chem. Phys., 56, 2552, 10.1063/1.1677579 Wittig, 1973, J. Chem. Phys., 58, 2220, 10.1063/1.1679495 Fuhs, 1973, Phys. Stat. Sol., 57b, 587, 10.1002/pssb.2220570215 Moodenbaugh, 1973, Solid State Commun., 13, 1413, 10.1016/0038-1098(73)90179-8 Wittig, 1965, Phys. Rev. Lett., 15, 159, 10.1103/PhysRevLett.15.159 Stishov, 1965, Zh. Eksp. Teor. Fiz., 49, 618 Stishov, 1966, Zh. Eksp. Teor. Fiz. Pis'ma, 4, 161 Stishov, 1967, Zh. Eksp. Teor. Fiz., 52, 1196 Kabalkina, 1963, Zh. Eksp. Teor. Fiz., 45, 2073 Nakajima, 1970, 293 Il'ina, 1971, Zh. Eksp. Teor. Fiz. Pis'ma, 13, 23 Berman, 1972, Fiz. Tverd. Tela, 14, 2527 Jamieson, 1965, J. Chem. Phys., 43, 1149, 10.1063/1.1696895 Vezzoli, 1971, Z. Krist., 134, 305, 10.1524/zkri.1971.134.3-4.305 Donohue, 1974, Z. Krist., 139, 159, 10.1524/zkri.1974.139.1-2.159 Palmy, 1971, Physica, 55, 663, 10.1016/0031-8914(71)90317-X Fertig, 1972, Phys. Lett., 38A, 517, 10.1016/0375-9601(72)90796-7 Ganguly, 1973, J. Phys. Chem. Solids, 34, 2272, 10.1016/S0022-3697(73)80077-0 Fisher, 1968, Phys. Rev., 170, 607, 10.1103/PhysRev.170.607 Steinitz, 1970, J. Appl. Phys., 41, 5057, 10.1063/1.1658598 Chu, 1973, Phys. Lett., 46A, 33, 10.1016/0375-9601(73)90673-7 Fisher, 1970, Solid State Commun., 8, 649, 10.1016/0038-1098(70)90167-5 Smith, 1973, J. Low Temp. Phys., 12, 631, 10.1007/BF00654962 Gardner, 1967, Phys. Rev., 154, 309, 10.1103/PhysRev.154.309 Palmy, 1970, Solid State Commun., 8, 655, 10.1016/0038-1098(70)90168-7 Maple, 1972, Phys. Lett., 38A, 351 Liptai, 1966, J. Less-Common Metals, 10, 292, 10.1016/0022-5088(66)90032-4 Liptai, 1966, J. Nucl. Mater., 20, 48, 10.1016/0022-3115(66)90020-1 Roux, 1971, J. Nucl. Mater., 40, 305, 10.1016/0022-3115(71)90098-5 Stephens, 1966, J. Phys. Chem. Solids, 27, 1201, 10.1016/0022-3697(66)90002-3 Stephens, 1968, J. Phys. Chem. Solids, 29, 815, 10.1016/0022-3697(68)90143-1 McWhan, 1962, J. Inorg. Nucl. Chem., 24, 1025, 10.1016/0022-1902(62)80246-2 Meyer, 1968, J. Chem. Phys., 49, 1902, 10.1063/1.1670323 Jahnke, 1967, J. Chem. Phys., 47, 336, 10.1063/1.1711872 Straty, 1970, Phys. Lett., 31A, 301, 10.1016/0375-9601(70)90868-6 Klement, 1966, J. Chem. Phys., 44, 3697, 10.1063/1.1726521 Weir, 1969, J. Chem. Phys., 50, 2089, 10.1063/1.1671338 Babb, 1969, J. Chem. Phys., 50, 5271, 10.1063/1.1671045 Tamayama, 1967, 57, 554 Bridgman, 1935, Phys. Rev., 48, 893, 10.1103/PhysRev.48.893 Kabalkina, 1967, Dokl. Akad. Nauk SSSR, 172, 313 Grover, 1967, J. Chem. Phys., 47, 4398, 10.1063/1.1701644 Lynch, 1966, J. Chem. Phys., 45, 1020, 10.1063/1.1727652 Vereshchagin, 1973, Dokl. Akad. Nauk SSSR, 209, 1311 Alder, 1960, Phys. Rev. Lett., 4, 9, 10.1103/PhysRevLett.4.450 Kusubov, 1966, Rept. No. UCRL-14744, 24 Raich, 1967, J. Phys. Chem. Solids, 28, 1079, 10.1016/0022-3697(67)90229-6 Bridgman, 1934, Phys. Rev., 46, 930, 10.1103/PhysRev.46.930 Swenson, 1955, J. Chem. Phys., 23, 1963, 10.1063/1.1740623 Stewart, 1956, J. Phys. Chem. Solids, 1, 146, 10.1016/0022-3697(56)90022-1 Stewart, 1965 Grace, 1967, J. Phys. Chem. Solids, 28, 977, 10.1016/0022-3697(67)90214-4 Mills, 1969, Phys. Rev. Lett., 23, 1154, 10.1103/PhysRevLett.23.1154 Schuch, 1970, J. Chem. Phys., 52, 6000, 10.1063/1.1672899 Streib, 1962, J. Chem. Phys., 37, 2962, 10.1063/1.1733125 Jordan, 1964, J. Chem. Phys., 41, 756, 10.1063/1.1725956 Venables, 1970, Phil. Mag., 21, 147, 10.1080/14786437008238403 Laplaca, 1972, Acta Cryst., B28, 984, 10.1107/S0567740872003541 Venables, 1974, Acta Cryst., B30, 929, 10.1107/S0567740874004067 Dick, 1970, J. Chem. Phys., 52, 6021, 10.1063/1.1672902 Gillard, 1966, J. Chem. Phys., 45, 1585, 10.1063/1.1727802 Meyer, 1969, Adv. Chem. Phys., 16, 343, 10.1002/9780470143612.ch7 Stevenson, 1957, J. Chem. Phys., 27, 673, 10.1063/1.1743812 Raich, 1971, J. Chem. Phys., 55, 1811, 10.1063/1.1676313 Stewart, 1959, J. Phys. Chem. Solids, 12, 122, 10.1016/0022-3697(60)90029-9 Jordan, 1964, Acta Cryst., 17, 777, 10.1107/S0365110X6400202X Hörl, 1962, Acta Cryst., 15, 845, 10.1107/S0365110X62002248 Meyer, 1968, J. Chem. Phys., 49, 1902, 10.1063/1.1670323 Barrett, 1967, Phys. Rev., 163, 851, 10.1103/PhysRev.163.851 Barrett, 1967, J. Chem. Phys., 47, 592, 10.1063/1.1711936 Dugdale, 1965, 382 Straty, 1966, Phys. Rev., 150, 123, 10.1103/PhysRev.150.123 Sample, 1967, Phys. Rev., 158, 188, 10.1103/PhysRev.158.188 Holian, 1973, J. Chem. Phys., 59, 5444, 10.1063/1.1679895 Dugdale, 1953, A218, 291 Holland, 1951, A207, 268 Langer, 1961, J. Phys. Chem. Solids, 21, 122, 10.1016/0022-3697(61)90222-0 Crawford, 1971, J. Chem. Phys., 55, 5651, 10.1063/1.1675734 Østgaard, 1974, Phys. Lett., 46A, 417, 10.1016/0375-9601(74)90943-8 Trubitsyn, 1962, Sov. Phys. Dokl., 7, 45 Ten Seldam, 1957, 70, 529 Brust, 1972, Phys. Lett., 40A, 255, 10.1016/0375-9601(72)90679-2 Simcox, 1962, 80, 830 Lahr, 1962, J. Chem. Eng. Data, 7, 42, 10.1021/je60012a012 Hardy, 1971, J. Chem. Phys., 54, 1005, 10.1063/1.1674931 Hamann, 1969, Austr. J. Chem., 22, 637, 10.1071/CH9690637 Ross, 1973, Phys. Rev., 8A, 1466, 10.1103/PhysRevA.8.1466 Ross, 1966, Phys. Rev. Lett., 16, 1077, 10.1103/PhysRevLett.16.1077 Crawford, 1974, J. Chem. Phys., 60, 2169, 10.1063/1.1681330 Gandel'man, 1965, Zh. Eksp. Teor. Fiz., 48, 758 Brust, 1972, Phys. Lett., 38A, 157, 10.1016/0375-9601(72)90456-2 Ross, 1968, Phys. Rev., 171, 777, 10.1103/PhysRev.171.777 Al'tshuler, 1968, Usp. Fiz. Nauk, 96, 193, 10.3367/UFNr.0096.196810a.0193 Grover, 1974, J. Phys. Chem. Solids, 35, 753, 10.1016/S0022-3697(74)80232-5 Kraut, 1966, Phys. Rev. Lett., 16, 608, 10.1103/PhysRevLett.16.608 Kraut, 1966, Phys. Rev., 151, 668, 10.1103/PhysRev.151.668 Kennedy, 1970, J. Geophys. Res., 75, 1019, 10.1029/JB075i005p01019 Kuznetsov, 1972, Zh. Fiz. Khim., 46, 3081 Kawai, 1968, Jap. J. Appl. Phys., 7, 989, 10.1143/JJAP.7.989 Kawai, 1970, Jap. J. Appl. Phys., 9, 31, 10.1143/JJAP.9.31 Weir, 1971, Jap. J. Appl. Phys., 10, 714, 10.1143/JJAP.10.714 Klement, W., Jr., unpublished. Strössler, 1965, Phys. Rev., 139A, 758, 10.1103/PhysRev.139.A758 Aptekar, 1967, Dokl. Akad. Nauk SSSR, 173, 851 Kutasov, 1974, Izv. Akad. Nauk SSSR, Fiz. Zemli, 75 Kuznetsov, 1969, Dokl. Akad. Nauk SSSR, 184, 129 Matsuda, 1969, Progr. Theor. Phys., 42, 140, 10.1143/PTP.42.140 Matsuda, 1969, Progr. Theor. Phys., 42, 414, 10.1143/PTP.42.414 McLachlan, 1971, J. Geophys. Res., 76, 2780, 10.1029/JB076i011p02780 Yoshida, 1971, Progr. Theor. Phys., 45, 663, 10.1143/PTP.45.663 Yoshida, 1972, Progr. Theor. Phys., 47, 1801, 10.1143/PTP.47.1801 Yoshida, 1974, Progr. Theor. Phys., 52, 822, 10.1143/PTP.52.822 Mori, 1972, Progr. Theor. Phys., 47, 1087, 10.1143/PTP.47.1087 Kuramoto, 1972, Progr. Theor. Phys., 47, 1069, 10.1143/PTP.47.1069 Hiwatari, 1972, Progr. Theor. Phys., 47, 741, 10.1143/PTP.47.741 Kamakura, 1972, Progr. Theor. Phys., 48, 2110, 10.1143/PTP.48.2110 Kanno, 1972, Bull. Chem. Soc. Japan, 45, 2687, 10.1246/bcsj.45.2687 Ishizaki, 1973, Phys. Rev., 7B, 5412, 10.1103/PhysRevB.7.5412 Hall, 1966, Progr. Inorg. Chem., 7, 1, 10.1002/9780470166086.ch1 Carter, 1973, High Temp. High Press., 5, 313 Johnson, 1966, Science, 153, 419, 10.1126/science.153.3734.419 Corll, 1966, Solid State Commun., 4, 283, 10.1016/0038-1098(66)90453-4 Pistorius, 1966, J. Chem. Phys., 45, 3513, 10.1063/1.1727366 Petrunina, 1969, Sov. Phys. Dokl., 13, 1243 Bassett, 1968, J. Appl. Phys., 39, 319, 10.1063/1.1655752 Liu, 1973, J. Appl. Phys., 44, 1475, 10.1063/1.1662396 Mansikka, 1968, Ann. Univ. Turkuensis IA, 121, 11 Christian, 1957, 89 Alder, 1963, 385 Alder, 1963, 478 Kuzubov, 1965, 61 Al'tshuler, 1971, Zh. Prikl. Mekh. Tekh. Fiz., 110 Fritz, 1971, Nat. Bur. Stand. (U.S.) Spec. Publ., 326, 201 Pagannone, 1965, J. Chem. Phys., 43, 2266, 10.1063/1.1697122 Nienart, 1965, Report No. AD 631374, 26 Akella, 1969, Phys. Rev., 185, 1135, 10.1103/PhysRev.185.1135 Vaidya, 1971, J. Phys. Chem. Solids, 32, 951, 10.1016/S0022-3697(71)80340-2 Livshitz, 1968, Zh. Eksp. Teor. Fiz., 55, 1173 Livshitz, 1969, Zh. Tekhn. Fiz., 39, 1115 Pistorius, 1964, J. Phys. Chem. Solids, 25, 1477, 10.1016/0022-3697(64)90065-4 Darnell, 1970, J. Phys. Chem. Solids, 31, 805, 10.1016/0022-3697(70)90214-3 Pistorius, 1965, J. Phys. Chem. Solids, 26, 1003, 10.1016/0022-3697(65)90187-3 Laukhin, 1973, Zh. Eksp. Teor. Fiz., 64, 2273 Bassett, 1969, Trans. Am. Cryst. Assoc., 5, 93 Knof, 1963, J. Phys. Chem. Solids, 24, 1625, 10.1016/0022-3697(63)90106-9 Éstrin, 1971, Fiz. Tverd. Tela, 13, 1501 Petrunina, 1972, Krist., 17, 423 Laukhin, 1972, Fiz. Tverd. Tela, 14, 1800 Daniels, 1966, J. Phys. Chem. Solids, 27, 1247, 10.1016/0022-3697(66)90008-4 Lacam, 1973, J. Phys., 34, 1047, 10.1051/jphys:019730034011-120104700 Peyronneau, 1974, Bulletin Bureau Nat. Metrol., 21 Kopystynski, 1974, J. Phys., 35, 609, 10.1051/jphys:01974003507-8060900 Lisnyak, 1971, Fiz. Tverd. Tela, 13, 2769 Livshitz, 1972, Izv. Akad. Nauk SSSR, Fiz. Zemli, 28 Lacam, 1971, Compt. Rend. Acad. Sci. (Paris), 273B, 997 Lacam, 1973, J. Phys. (Paris), 34, 1055, 10.1051/jphys:019730034011-120105500 Lacam, 1974, J. Phys. (Paris), 35, 287, 10.1051/jphys:01974003503028700 Weir, 1964, J. Res. Nat. Bur. Stand. (U.S.), 68A, 105, 10.6028/jres.068A.009 Pistorius, 1964, Z. Phys. Chem. (Frankfurt), 43, 1, 10.1524/zpch.1964.43.1_2.001 Pöyhönen, 1965, Phys. Kondens. Materie, 3, 218, 10.1007/BF02422606 Clark, 1959, J. Chem. Phys., 31, 1526, 10.1063/1.1730648 Vaidya, 1971, J. Phys. Chem. Solids, 32, 2301, 10.1016/S0022-3697(71)80224-X Hardy, 1964, 195 Thomsen, 1970, J. Phys. Chem. Solids, 31, 2003, 10.1016/0022-3697(70)90004-1 Thomsen, 1971, J. Geophys. Res., 76, 1342, 10.1029/JB076i005p01342 Thomsen, 1972, J. Phys. Chem. Solids, 33, 363, 10.1016/0022-3697(72)90018-2 Demarest, 1972, J. Geophys. Res., 77, 848, 10.1029/JB077i005p00848 Barsch, 1971, Phys. Stat. Sol., 43b, 637, 10.1002/pssb.2220430224 Jansen, 1965, Disc. Faraday Soc., 40, 78, 10.1039/df9654000078 Plendl, 1969, Phys. Stat. Sol., 35, 151, 10.1002/pssb.19690350273 Rao, 1967, 91, 754 Rao, 1967, Trans. Faraday Soc., 63, 1013, 10.1039/tf9676301013 Vukcevich, 1971, Phys. Stat. Sol., 47b, 99, 10.1002/pssb.2220470110 Vukcevich, 1972, Phys. Stat. Sol., 54b, 435, 10.1002/pssb.2220540207 Bazarov, 1973, Zh. Fiz. Khim., 47, 2239 Smith, 1973, J. Phys. Chem. Solids, 34, 1143, 10.1016/S0022-3697(73)80023-X Verma, 1971, J. Phys. C.: Solid State Phys., 4, 2749, 10.1088/0022-3719/4/17/007 Owens, 1966, J. Chem. Phys., 44, 3144, 10.1063/1.1727204 Reiss, 1961, J. Chem. Phys., 35, 820, 10.1063/1.1701222 Pistorius, 1967, J. Chem. Phys., 47, 4870, 10.1063/1.1701727 Rapoport, 1968, Phys. Rev., 172, 838, 10.1103/PhysRev.172.838 Meisalo, 1973, High Temp. High Press., 5, 663 Edwards, 1961, Phys. Rev., 122, 1149, 10.1103/PhysRev.122.1149 Van Valkenburg, 1964, J. Res. Nat. Bur. Stand. (U.S.), 68A, 97, 10.6028/jres.068A.008 Bradley, 1969, Trans. Faraday Soc., 65, 1912, 10.1039/tf9696501912 Yang, 1968, J. Phys. Chem. Solids, 29, 1633, 10.1016/0022-3697(68)90105-4 Neuhaus, 1966, Ber. Bunsenges. Phys. Chem., 70, 1073, 10.1002/bbpc.19660700930 Hinze, 1969, High Temp. High Press., 1, 53 Moore, 1970, J. Solid State Chem., 1, 170, 10.1016/0022-4596(70)90009-5 Meisalo, 1971, Phys. Stat. Sol., 7a, K95, 10.1002/pssa.2210070249 Halleck, 1972, J. Phys. Chem. Solids, 33, 769, 10.1016/S0022-3697(72)80093-3 Jamieson, J.C., Halleck, P.M., Roof, R.B. and Pistorius, C.W.F.T., J. Phys. Chem. Solids, in press. Akella, 1969, J. Appl. Phys., 40, 2800, 10.1063/1.1658078 Saito, 1970, Bull. Tokyo Inst. Techn., 98, 61 Deaton, 1965, J. Appl. Phys., 36, 1500, 10.1063/1.1714348 Kabalkina, 1970, Dokl. Akad. Nauk SSSR, 193, 1015 Schock, 1969, J. Phys. Chem. Solids, 30, 1527, 10.1016/0022-3697(69)90214-5 Moore, 1968, J. Chem. Phys., 48, 2446, 10.1063/1.1669466 Moore, 1967, J. Chem. Phys., 46, 3676, 10.1063/1.1841273 Schock, 1967, J. Phys. Chem. Solids, 28, 1985, 10.1016/0022-3697(67)90176-X Schock, 1968, J. Chem. Phys., 48, 2094, 10.1063/1.1669021 Pistorius, 1968, Phys. Rev., 173, 692, 10.1103/PhysRev.173.692 Samara, 1967, J. Phys. Chem. Solids, 28, 1875, 10.1016/0022-3697(67)90164-3 Lewis, 1966, J. Chem. Phys., 45, 598, 10.1063/1.1727614 Perez-Albuerne, 1965, J. Chem. Phys., 43, 1381, 10.1063/1.1696929 Samara, 1962, J. Chem. Phys., 37, 408, 10.1063/1.1701335 Okamoto, 1967, J. Phys. Soc. Japan, 23, 1174, 10.1143/JPSJ.23.1174 Katsura, 1967, J. Chem. Phys., 47, 4559, 10.1063/1.1701668 Ozawa, 1966, Phys. Stat. Sol., 17, 697, 10.1002/pssb.19660170226 Taylor, 1970, Science, 170, 850, 10.1126/science.170.3960.850 Bloch, 1966, J. Appl. Phys., 37, 1401, 10.1063/1.1708490 Holzapfel, 1969, Phys. Rev., 184, 323, 10.1103/PhysRev.184.323 Kawai, 1971, Solid State Commun., 9, 1393, 10.1016/0038-1098(71)90403-0 Anzai, 1968, J. Phys. Soc. Japan, 24, 271, 10.1143/JPSJ.24.271 McWhan, 1972, Phys. Rev., 5B, 2552, 10.1103/PhysRevB.5.2552 Smith, 1969, J. Appl. Phys., 40, 1332, 10.1063/1.1657659 Trahan, 1970, Phys. Rev., 2B, 2859, 10.1103/PhysRevB.2.2859 White, 1971, Phil. Mag., 24, 845, 10.1080/14786437108217054 Mattheiss, 1974, Phys. Rev., 10B, 995, 10.1103/PhysRevB.10.995 Ozawa, 1966, Phys. Lett., 20, 132, 10.1016/0031-9163(66)90903-6 Cemic, 1972, High Temp. High Press., 4, 97 Neuhaus, 1970, Z. Phys. Chem. (Frankfurt), 73, 188, 10.1524/zpch.1970.73.4_6.188 Clendenen, 1966, J. Chem. Phys., 44, 4223, 10.1063/1.1726610 Bartholin, 1967, Compt. Rend. Acad. Sci. (Paris), 264B, 360 Jayaraman, 1970, Phys. Rev. Lett., 25, 1430, 10.1103/PhysRevLett.25.1430 Bucher, 1971, J. Appl. Phys., 42, 1741, 10.1063/1.1660421 Tonkov, 1974, Fiz. Tverd. Tela, 16, 1507 Jayaraman, 1971, Indian J. Pure Appl. Phys., 9, 983 Kirk, 1972, Phys. Rev., 6B, 3023, 10.1103/PhysRevB.6.3023 Jayaraman, 1973, Phys. Rev. Lett., 31, 700, 10.1103/PhysRevLett.31.700 Holtzberg, 1973, 1, 478 Jayaraman, 1970, Phys. Rev. Lett., 25, 368, 10.1103/PhysRevLett.25.368 Singh, 1971, Solid State Commun., 9, 1459, 10.1016/0038-1098(71)90156-6 Chatterjee, 1972, Phys. Rev., 6B, 2285, 10.1103/PhysRevB.6.2285 Jayaraman, 1970, 1, 333 Jayaraman, 1974, Phys. Rev., 9B, 2513, 10.1103/PhysRevB.9.2513 Jayaraman, 1972, Phys. Rev. Lett., 29, 1674, 10.1103/PhysRevLett.29.1674 Rooymans, 1965, Solid State Commun., 3, 421, 10.1016/0038-1098(65)90269-3 Rooymans, 1966, Ber. Bunsenges. Phys. Chem., 70, 1036, 10.1002/bbpc.19660700919 Maple, 1971, Phys. Rev. Lett., 27, 511, 10.1103/PhysRevLett.27.511 Hirst, 1974, J. Phys. Chem. Solids, 35, 1285, 10.1016/S0022-3697(74)80153-8 Maple, 1973, 1, 447 Freeouf, 1974, Phys. Rev. Lett., 33, 161, 10.1103/PhysRevLett.33.161 Campagna, 1974, Phys. Rev. Lett., 33, 165, 10.1103/PhysRevLett.33.165 Falicov, 1969, Phys. Rev. Lett., 22, 997, 10.1103/PhysRevLett.22.997 Ramirez, 1970, Phys. Rev., 2B, 3383, 10.1103/PhysRevB.2.3383 Bucher, 1972, Solid State Commun., 11, 1441, 10.1016/0038-1098(72)90561-3 Alascio, 1974, Solid State Commun., 14, 321, 10.1016/0038-1098(74)90910-7 McWhan, 1966, Phys. Rev., 143, 385, 10.1103/PhysRev.143.385 Srivastava, 1968, Canad. J. Phys., 46, 2703, 10.1139/p68-637 Schwob, 1969, Phys. Kondens. Materie, 10, 186, 10.1007/BF02422676 Hidaka, 1970, J. Phys. Soc. Japan, 29, 515, 10.1143/JPSJ.29.515 Hidaka, 1971, J. Sci. Hiroshima Univ., 35A, 93 McWhan, 1966, J. Chem. Phys., 44, 3528, 10.1063/1.1727260 Coleburn, 1968, J. Chem. Phys., 48, 555, 10.1063/1.1668682 Dulin, 1969, Fiz. Tverd. Tela, 11, 1252 Kudaka, 1966, Kogyo Kagaku Zasshi, 69, 365, 10.1246/nikkashi1898.69.3_365 Fel'dgun, 1968, Trudy Vses. Nauch. - Issled. Inst. Abrazivov Shlifovaniya, 7, 13 De Vries, 1969, Mat. Res. Bull., 4, 433, 10.1016/0025-5408(69)90086-5 Nikol'skaya, 1969, Russ. J. Phys. Chem., 43, 1658 Johnson, 1972, Phys. Rev. Lett., 29, 1369, 10.1103/PhysRevLett.29.1369 Fel'dgun, 1971, Russ. J. Phys. Chem., 45, 1738 Riter, 1973, J. Chem. Phys., 59, 1538, 10.1063/1.1680215 Pitt, 1973, J. Phys. C: Solid State Phys., 6, 274, 10.1088/0022-3719/6/2/009 Minomura, 1962, J. Phys. Chem. Solids, 23, 451, 10.1016/0022-3697(62)90085-9 Onodera, 1974, Solid State Commun., 14, 803, 10.1016/0038-1098(74)90139-2 McWhan, 1966, J. Chem. Phys., 45, 2508, 10.1063/1.1727968 Omel'chenko, 1970, Fiz. Tverd. Tela, 12, 3376 Banus, 1967, J. Appl. Phys., 38, 2042, 10.1063/1.1709825 Banus, 1969, J. Appl. Phys., 40, 409, 10.1063/1.1657069 Jena, 1967, Trans. Met. Soc. AIME, 239, 725 Wittig, 1967, Science, 155, 685, 10.1126/science.155.3763.685 Berman, 1971, Zh. Eksp. Teor. Fiz. Pis'ma, 14, 18 Borg, 1967, J. Phys. Chem. Solids, 28, 49, 10.1016/0022-3697(67)90196-5 Onodera, 1970, Rev. Phys. Chem. Japan, 39, 65 Onodera, 1970, Rev. Phys. Chem. Japan, 39, 78 Onodera, 1972, Rev. Phys. Chem. Japan, 41, 1 Osugi, 1967, Rev. Phys. Chem. Japan, 36, 59 Osugi, 1967, Rev. Phys. Chem. Japan, 36, 74 Yu, 1971, Mat. Res. Bull., 6, 621, 10.1016/0025-5408(71)90011-0 Kaminskii, 1970, Fiz. Tverd. Tela, 12, 3329 Miller, 1966, J. Appl. Phys., 37, 4913, 10.1063/1.1708164 Bates, 1962, Science, 137, 993, 10.1126/science.137.3534.993 Jamieson, 1970, Phys. Earth Planet. Interiors, 3, 201, 10.1016/0031-9201(70)90056-7 Smith, 1965, Phys. Lett., 19, 541, 10.1016/0031-9163(65)90766-3 Sharp, 1969, J. Geophys. Res., 74, 1645, 10.1029/JB074i006p01645 Lacam, 1973, Chem. Phys. Lett., 18, 129, 10.1016/0009-2614(73)80357-4 Liu, 1971, J. Appl. Phys., 42, 3702, 10.1063/1.1659673 Liu, 1972, J. Geophys. Res., 77, 4934, 10.1029/JB077i026p04934 Liu, 1973, J. Geophys. Res., 78, 8470, 10.1029/JB078i035p08470 Bassett, 1967, Rev. Sci. Instrum., 38, 37, 10.1063/1.1720525 Mariano, 1967, Appl. Phys. Lett., 10, 282, 10.1063/1.1754812 Kabalkina, 1968, Fiz. Tverd. Tela, 10, 733 Minomura, 1971, Nat. Bur. Stand. (U.S.) Spec. Publ., 326, 159 Kabalkina, 1966, Zh. Eksp. Teor. Fiz., 51, 1358 Serebryanaya, 1969, Dokl. Akad. Nauk. SSSR, 187, 307 Kafalas, 1964, Science, 143, 952, 10.1126/science.143.3609.952 Kabalkina, 1968, Fiz. Tverd. Tela, 10, 733 Malyushitskaya, 1972, Fiz. Tverd. Tela, 14, 1219 Klement, 1966, Science, 154, 1176, 10.1126/science.154.3753.1176 Lynch, 1967, J. Chem. Phys., 47, 5180, 10.1063/1.1701776 Kamigaichi, 1968, J. Phys. Soc. Japan, 24, 649, 10.1143/JPSJ.24.649 Alberts, 1972, Tydskr. Natuurwetenskappe, 12, 115 Banus, 1972, J. Solid State Chem., 4, 391, 10.1016/0022-4596(72)90154-5 Goodenough, 1967, Phys. Rev., 157, 389, 10.1103/PhysRev.157.389 Menyuk, 1969, Phys. Rev., 177, 942, 10.1103/PhysRev.177.942 Sirota, 1971, Dokl. Akad. Nauk SSSR, 196, 155 Sirota, 1971, 32, 987 Samara, 1965, 308 Goodenough, 1970, Progr. Solid State Chem., 5, 145, 10.1016/0079-6786(71)90018-5 Nagasaki, 1969, J. Phys. Chem. Solids, 30, 2405, 10.1016/0022-3697(69)90064-X Selte, 1973, Acta Chem. Scand., 27, 3195, 10.3891/acta.chem.scand.27-3195 Donohue, 1970, J. Solid State Chem., 1, 143, 10.1016/0022-4596(70)90005-8 Donohue, 1970, Inorg. Chem., 9, 335, 10.1021/ic50084a032 Losev, 1974, Fiz. Tverd. Tela, 16, 1498 Osugi, 1967, Rev. Phys. Chem. Japan, 37, 81 Osugi, 1966, Rev. Phys. Chem. Japan, 36, 35 Geller, 1964, Phys. Rev. Lett., 13, 127, 10.1103/PhysRevLett.13.127 Geller, 1965, J. Phys. Chem. Solids, 26, 353, 10.1016/0022-3697(65)90164-2 Banus, 1963, Solid State Res., 1, 24 Vezzoli, 1971, Mat. Res. Bull., 6, 1201, 10.1016/0025-5408(71)90055-9 Kuriakose, 1968, J. Chem. Phys., 48, 2025, 10.1063/1.1669009 Pistorius, 1969, J. Chem. Phys., 50, 1436, 10.1063/1.1671208 Calvert, 1970, J. Chem. Phys., 53, 2151, 10.1063/1.1674308 Morosin, 1965, J. Chem. Phys., 42, 1389, 10.1063/1.1696126 Nabar, 1969, J. Chem. Phys., 51, 1353, 10.1063/1.1672180 Kaneda, 1971, Nat. Bur. Stand. (U.S.) Spec. Publ., 326, 257 Buback, 1972, Ber. Bunsenges. Phys. Chem., 76, 350, 10.1002/bbpc.19720760344 Trappeniers, 1966, Ber. Bunsenges. Phys. Chem., 70, 1080, 10.1002/bbpc.19660700931 Trappeniers, 1966, Physica, 32, 1170, 10.1016/0031-8914(66)90153-4 Trappeniers, 1966, Physica, 32, 1161, 10.1016/0031-8914(66)90151-0 Renard, 1966, J. Chem. Phys., 45, 763, 10.1063/1.1727677 Garland, 1966, Nat. Bur. Stand. (U.S.) Misc. Publ., 273, 202 Garland, 1968, J. Chem. Phys., 48, 146, 10.1063/1.1664461 Garland, 1970, J. Phys. Chem. Solids, 31, 1759, 10.1016/0022-3697(70)90165-4 Fredericks, 1971, Phys. Rey., 4B, 911, 10.1103/PhysRevB.4.911 Slichter, 1971, Phys. Rev., 4B, 907, 10.1103/PhysRevB.4.907 Garland, 1971, Phys. Rev., 3B, 1634, 10.1103/PhysRevB.3.1634 Weiner, 1972, J. Chem. Phys., 56, 155, 10.1063/1.1676842 Yelon, 1972, Solid State Commun., 11, 1011, 10.1016/0038-1098(72)90310-9 Amitin, 1972, Fiz. Tverd. Tela, 14, 3438 Yelon, 1974, Phys. Rev., 9B, 4943 Yamada, 1972, J. Phys. Soc. Japan, 32, 1565, 10.1143/JPSJ.32.1565 Hüller, 1972, Z. Phys., 254, 456, 10.1007/BF01379712 Garland, 1968, J. Chem. Phys., 49, 5282, 10.1063/1.1670046 Ebisuzaki, 1973, Chem. Phys. Lett., 19, 503, 10.1016/0009-2614(73)85135-8 Stevenson, 1961, J. Chem. Phys., 34, 1757, 10.1063/1.1701074 Levy, 1951, Phys. Rev., 83, 1270, 10.1103/PhysRev.83.1270 Levy, 1952, Phys. Rev., 86, 766, 10.1103/PhysRev.86.766 Levy, 1952, J. Am. Chem. Soc., 75, 1536, 10.1021/ja01103a006 Seymour, 1970, Acta Cryst., B26, 1487, 10.1107/S0567740870004375 Sköld, 1973, Solid State Commun., 13, 543, 10.1016/S0038-1098(73)80009-2 Couzi, 1974, J. Phys. (Paris), 35, 753, 10.1051/jphys:019740035010075300 Hovi, 1969, C2, 67 Pistorius, 1973, J. Solid State Chem., 8, 126, 10.1016/0022-4596(73)90005-4 Pistorius, 1968, J. Chem. Phys., 48, 1018, 10.1063/1.1668755 Siegel, 1949, J. Chem. Phys., 17, 1146, 10.1063/1.1747129 Shinnaka, 1967, J. Phys. Soc. Japan, 22, 669, 10.1143/JPSJ.22.669 Pistorius, 1968, J. Chem. Phys., 48, 5123, 10.1063/1.1668183 Suga, 1965, Bull. Chem. Soc. Japan, 38, 1115, 10.1246/bcsj.38.1115 Price, 1972, J. Chem. Phys., 56, 3697, 10.1063/1.1677749 Cimino, 1959, 252A, 445 Parry, 1962, Acta Cryst., 15, 601, 10.1107/S0365110X62001516 Pistorius, 1971, J. Phys. Chem. Solids, 32, 2761, 10.1016/S0022-3697(71)80368-2 Richter, 1972, Acta Cryst., B28, 3105, 10.1107/S0567740872007551 Decker, 1974, Phys. Rev., 10B, 3584, 10.1103/PhysRevB.10.3584 Sugisaki, 1968, Bull. Chem. Soc. Japan, 41, 1747, 10.1246/bcsj.41.1747 Clark, 1969, Solid State Commun., 7, 787, 10.1016/0038-1098(69)90667-X Richter, 1971, J. Chem. Phys., 54, 5436, 10.1063/1.1674853 Matsuo, 1969, Bull. Chem. Soc. Japan, 42, 1271, 10.1246/bcsj.42.1271 Bradley, 1969, Trans. Faraday Soc., 65, 1920, 10.1039/tf9696501920 Bradley, 1969, Phys. Stat. Sol., 36, K51, 10.1002/pssb.19690360155 Pistorius, 1969, Z. Phys. Chem. (Frankfurt), 65, 51, 10.1524/zpch.1969.65.1_4.051 Papin, 1973, Compt. Rend. Acad. Sci. (Paris), 277C, 771 Pistorius, 1970, High Temp. High Press., 2, 507 Wong, P. and Whalley, E., unpublished. Hamann, S.D., unpublished. Mueller, 1965, Z. Krist., 121, 385, 10.1524/zkri.1965.121.5.385 Pistorius, 1969, J. Chem. Phys., 51, 2604, 10.1063/1.1672384 Pistorius, 1974, J. Chem. Phys., 60, 3720, 10.1063/1.1681602 Christoe, 1974, Solid State Commun, 15, 859, 10.1016/0038-1098(74)90680-2 Mauer, 1973, J. Chem. Phys., 59, 3770, 10.1063/1.1680549 Campbell White, 1972, J. Chem. Phys., 56, 4318, 10.1063/1.1677865 Campbell White, 1972, J. Solid State Chem., 4, 195, 10.1016/0022-4596(72)90105-3 Manolatos, 1973, J. Solid State Chem., 7, 31, 10.1016/0022-4596(73)90117-5 Gesi, 1965, J. Phys. Soc. Japan, 20, 1773, 10.1143/JPSJ.20.1773 Rapoport, 1966, J. Chem. Phys., 45, 2721, 10.1063/1.1728017 Pistorius, 1968, Z. Phys. Chem. (Frankfurt), 59, 200, 10.1524/zpch.1968.59.1_4.200 Schamm, R. and Tödheide, K., personal communication. Yamada, 1963, J. Phys. Soc. Japan, 18, 1594, 10.1143/JPSJ.18.1594 Kay, 1972, Ferroel., 4, 235, 10.1080/00150197308235765 Hatta, 1973, J. Phys. Chem. Solids, 34, 57, 10.1016/0022-3697(73)90060-7 Gesi, 1969, J. Phys. Soc. Japan, 26, 953, 10.1143/JPSJ.26.953 Pistorius, C.W.F.T. and Nolte, M., unpublished. Clark, 1968, J. Chem. Phys., 49, 2453, 10.1063/1.1670427 Larionov, 1970, Izv. Akad. Nauk SSSR, Fiz. Zemli, 21 Pistorius, 1972, High Temp. High Press., 4, 77 Pistorius, 1972, Z. Anorg. Allg. Chem., 389, 315, 10.1002/zaac.19723890312 Strømme, 1974, Z. Anorg. Allg. Chem., 403, 176, 10.1002/zaac.19744030212 Solbakk, 1969, Acta Chem. Scand., 23, 300, 10.3891/acta.chem.scand.23-0300 Strømme, 1970, Acta Chem. Scand., 24, 1475, 10.3891/acta.chem.scand.24-1475 Rao, 1966, Brit. J. Appl. Phys., 17, 1653, 10.1088/0508-3443/17/12/118 Richter, 1972, J. Solid State Chem., 5, 276, 10.1016/0022-4596(72)90040-0 Pistorius, 1971, 97 Owens, 1965, J. Chem. Phys., 42, 2259, 10.1063/1.1696284 Rapoport, 1966, J. Phys. Chem. Solids, 27, 1349, 10.1016/0022-3697(66)90020-5 Bastide, 1972, Compt. Rend. Acad. Sci. (Paris), 274C, 562 Klement, 1970, J. Phys. Chem., 74, 2751, 10.1021/j100708a004 Cohen, 1974, J. Chem. Eng. Data, 19, 210, 10.1021/je60062a012 Babb, 1964, J. Chem. Phys., 41, 2210, 10.1063/1.1726240 Rapoport, 1965, J. Phys. Chem. Solids, 26, 1995, 10.1016/0022-3697(65)90235-0 Cleaver, 1968, J. Phys. Chem. Solids, 29, 877, 10.1016/0022-3697(68)90221-7 Rapoport, 1966, J. Chem. Phys., 44, 1514, 10.1063/1.1726887 Mazières, 1963, Compt. Rend. Acad. Sci. (Paris), 256, 2620 Barnett, 1969, Trans. Am. Cryst. Assoc., 5, 113 Strømme, 1971, Acta Chem. Scand., 25, 211, 10.3891/acta.chem.scand.25-0211 Delacy, 1971, Austr. J. Chem., 24, 165, 10.1071/CH9710165 Shultin, 1968, Krist., 13, 705 Fraser, 1975, Acta Cryst., B31, 365, 10.1107/S0567740875002816 Pöyhönen, 1968, Ann. Acad. Sci. Fennicae VIA, 273, 13 Fermor, 1968, Acta Chem. Scand., 22, 2054, 10.3891/acta.chem.scand.22-2054 Fermor, 1973, Acta Chem. Scand., 27, 915, 10.3891/acta.chem.scand.27-0915 Owen, 1971, Austr. J. Chem., 24, 1295, 10.1071/CH9711295 Meyer, 1972, Bull. Soc. Fr. Miner. Crist., 95, 541 Klement, 1968, J. Phys. Chem., 72, 1294, 10.1021/j100850a038 Klement, 1970, J. Phys. Chem., 74, 2753, 10.1021/j100708a005 Strømme, 1969, Acta Chem. Scand., 23, 1616, 10.3891/acta.chem.scand.23-1616 Strømme, 1972, Acta Chem. Scand., 26, 477, 10.3891/acta.chem.scand.26-0477 Fermor, 1972, Acta Chem. Scand., 26, 2039, 10.3891/acta.chem.scand.26-2039 Terauchi, 1972, J. Phys. Soc. Japan, 33, 446, 10.1143/JPSJ.33.446 Strømme, 1969, Acta Chem. Scand., 23, 1625, 10.3891/acta.chem.scand.23-1625 Shinnaka, 1962, J. Phys. Soc. Japan, 17, 820, 10.1143/JPSJ.17.820 Newns, 1966, Chem. Rev., 66, 267, 10.1021/cr60241a002 Teng, 1970, J. Phys. (Paris), 31, 771, 10.1051/jphys:01970003108-9077100 Paul, 1972, Acta Cryst., B28, 2700, 10.1107/S0567740872006806 Mirwald, P. and Kennedy, G.C., unpublished. Bridgman, 1939, Am. J. Sci., 37, 7 Wang, 1968, J. Geophys. Res., 73, 3937, 10.1029/JB073i012p03937 Nicol, 1972, J. Chem. Phys., 56, 677, 10.1063/1.1676930 Singh, 1974, J. Geophys. Res., 79, 2615, 10.1029/JB079i017p02615 Boettcher, 1967, Nature (London), 213, 792, 10.1038/213792a0 Boettcher, 1968, J. Geol., 76, 314, 10.1086/627331 Cohen, 1973, J. Geol., 81, 724, 10.1086/627924 Crawford, 1972, Am. Mineral., 57, 995 Irving, 1973, Earth Planet. Sci. Lett., 20, 220, 10.1016/0012-821X(73)90161-1 Johannes, 1971, Contr. Mineral. Petrol., 31, 28, 10.1007/BF00373389 Merrill, 1972, Eos Trans. AGU, 53, 1121 Merrill, 1975, Acta Cryst., B31, 343, 10.1107/S0567740875002774 Davis, 1964, Science, 145, 489, 10.1126/science.145.3631.489 Kondo, 1972, J. Phys. Earth, 20, 245, 10.4294/jpe1952.20.245 Rapoport, 1967, J. Geophys. Res., 72, 6353, 10.1029/JZ072i024p06353 Pistorius, 1960, Experientia, 16, 447, 10.1007/BF02171142 Ehrhardt, 1973, Z. Naturf., 28b, 682, 10.1515/znb-1973-9-1021 Seidel, 1974, Z. Anorg. Allg. Chem., 410, 138, 10.1002/zaac.19744100207 Srivastava, 1970, J. Appl. Phys., 41, 1190, 10.1063/1.1658873 Capponi, 1972, Bull. Soc. Fr. Minér. Crist., 95, 412 Bither, 1973, J. Solid State Chem., 6, 502, 10.1016/S0022-4596(73)80006-4 Meyer, 1972, Naturwiss, 59, 215, 10.1007/BF00595510 Genshaft, 1969, Russ. J. Phys. Chem., 43, 1314 Pistorius, 1970, J. Chem. Phys., 52, 1009, 10.1063/1.1672998 Pistorius, 1972, J. Chem. Phys., 56, 6263, 10.1063/1.1677187 Rapoport, 1967, J. Chem. Phys., 46, 3279, 10.1063/1.1841211 Vijaya, 1972, Mat. Res. Bull., 7, 615, 10.1016/0025-5408(72)90260-7 Bridgman, 1937, 72, 45 Meyer, 1972, Compt. Rend. Acad. Sci. (Paris), 274C, 843 Heyns, 1974, Spectrochim. Acta, 30A, 99, 10.1016/0584-8539(74)80215-1 Heyns, A.M. and Pistorius, C.W.F.T., Spectrochim. Acta, in press. Heyns, A.M. and Pistorius, C.W.F.T., unpublished. Van Vechten, 1969, Phys. Rev., 182, 891, 10.1103/PhysRev.182.891 Van Vechten, 1969, Phys. Rev., 187, 1007, 10.1103/PhysRev.187.1007 Van Vechten, 1973, Phys. Rev., 7B, 1479, 10.1103/PhysRevB.7.1479 Seifert, 1968, Fortschr. Miner., 45, 214 Dandekar, 1969, Trans. Am. Cryst. Assoc., 5, 19 Samara, 1970, Phys. Rev., 2B, 4194, 10.1103/PhysRevB.2.4194 Nicol, 1972, Dev. Appl. Spectroscopy, 10, 79, 10.1007/978-1-4684-3132-2_5 Kennedy, 1973, J. Electrochem. Soc., 120, 1441, 10.1149/1.2403280 Schmidt, 1966, J. Phys. Chem. Solids, 27, 1563, 10.1016/0022-3697(66)90232-0 Pistorius, 1971, Z. Anorg. Allg. Chem., 383, 204, 10.1002/zaac.19713830214 Pistorius, 1973, J. Less-Common Metals, 31, 119, 10.1016/0022-5088(73)90135-5 Gondrand, 1970, Mat. Res. Bull., 5, 769, 10.1016/0025-5408(70)90026-7 Cannon, 1964, Science, 145, 487, 10.1126/science.145.3631.487 Dyuzheva, 1972, Krist., 17, 804 Whitney, 1965, J. Electrochem. Soc., 112, 91, 10.1149/1.2423476 Bendeliani, 1967, Geokhim., 677 Bocquillon, 1968, Rev. Int. Hautes Temp. Réfract., 5, 247 Bocquillon, 1969, Rev. Int. Hautes. Temp. Réfract., 6, 263 Kulcinski, 1968, J. Am. Ceram. Soc., 51, 582, 10.1111/j.1151-2916.1968.tb13327.x White, 1961, J. Am. Ceram. Soc., 44, 170, 10.1111/j.1151-2916.1961.tb13739.x Syono, 1968, Mat. Res. Bull., 3, 153, 10.1016/0025-5408(68)90058-5 Azzaria, 1961, J. Phys. Chem., 65, 889, 10.1021/j100823a503 Kabalkina, 1964, Sov. Phys. Dokl., 8, 1141 Austin, 1969, J. Phys. Chem. Solids, 30, 1282, 10.1016/0022-3697(69)90389-8 Lityagina, 1972, Zh. Eksp. Teor. Fiz., 62, 669 Nagel, 1971, Mat. Res. Bull., 6, 1317, 10.1016/0025-5408(71)90130-9 Kabalkina, 1969, Fiz. Tverd. Tela, 11, 1040 Kabalkina, 1969, Zh. Eksp. Teor. Fiz., 56, 1497 Kabalkina, 1967, Dokl. Akad. Nauk SSSR, 176, 1044 Lityagina, 1974, Dokl. Akad. Nauk SSSR, 216, 1966 Jamieson, 1969, Am. Mineral., 54, 1477 Dachille, 1969, Am. Mineral., 54, 1481 Simons, 1970, Am. Mineral., 55, 403 Bendeliani, 1966, Geokhim., 499 McQueen, 1967, Science, 155, 1401, 10.1126/science.155.3768.1401 Simons, 1967, Acta Cryst., 23, 334, 10.1107/S0365110X67002713 Jamieson, 1968, Science, 161, 893, 10.1126/science.161.3844.893 Dachille, 1968, Am. Mineral., 53, 1929 Navrotsky, 1967, Science, 158, 388, 10.1126/science.158.3799.388 Kawai, 1971, Phys. Lett., 36A, 54, 10.1016/0375-9601(71)90061-2 Nicol, 1971, J. Chem. Phys., 54, 3167, 10.1063/1.1675305 Peercy, 1974, Phys. Rev. Lett., 32, 466, 10.1103/PhysRevLett.32.466 Kabalkina, 1966, Zh. Eksp. Teor. Fiz., 51, 377 Boettcher, 1968, Contr. Mineral. Petrol., 17, 224, 10.1007/BF00388945 Ostrovskii, 1965, Izv. Akad. Nauk SSSR, Ser. Geol., 132 Ostrovskii, 1967, Geol. J., 5, 321, 10.1002/gj.3350050207 Akimoto, 1971, Nat. Bur. Stand. (U.S.) Spec. Publ., 326, 273 Cohen, 1967, J. Geophys. Res., 72, 4245, 10.1029/JZ072i016p04245 Klement, 1968, J. Geophys. Res., 73, 2249, 10.1029/JB073i006p02249 Koster van Groos, 1973, J. Geol., 81, 717, 10.1086/627923 Cohen, 1974, Am. Mineral., 59, 1099 Ahrens, 1969, Rev. Geophys., 7, 667, 10.1029/RG007i004p00667 Hawke, 1972, Phys. Earth Planet. Interiors, 6, 44, 10.1016/0031-9201(72)90030-1 Kawai, 1974, 50, 72 Vereshchagin, 1974, Zh. Eksp. Teor. Fiz. Pis'ma, 20, 472 Shahid, 1970, J. Thermal Anal., 2, 181, 10.1007/BF01911349 Hoffmann, 1967, Naturwiss, 54, 114, 10.1007/BF00640573 Leadbetter, 1973, Nature (Phys. Sci.), 244, 125, 10.1038/physci244125a0 Cohen, L.H. and Klement, W., Jr., J. Am. Ceram. Soc., in press. Hill, 1968, Am. Mineral., 53, 1744 Dachille, 1959, Z. Krist., 111, 451, 10.1524/zkri.1959.111.1-6.451 Kabalkina, 1964, Sov. Phys. Dokl., 8, 972 Popova, 1963, Geokhim., 995 Narath, 1966, J. Appl. Phys., 37, 1124, 10.1063/1.1708362 Darnell, 1971, J. Chem. Phys., 55, 116, 10.1063/1.1675496 Bardoll, B. and Tödheide, K., unpublished. Kalliomäki, M.S., unpublished. Tonkov, 1970, Krist., 15, 1083 Mikler, 1972, Monatsh. Chem., 103, 110, 10.1007/BF00912933 Hall, 1965, Inorg. Chem., 4, 1213, 10.1021/ic50030a027 Hulliger, 1968, Structure and Bonding, 4, 83, 10.1007/BFb0119186 Wilson, 1969, Adv. Phys., 18, 193, 10.1080/00018736900101307 Brostigen, 1970, Acta Chem. Scand., 24, 2993, 10.3891/acta.chem.scand.24-2993 Wilson, 1971, Phil. Mag., 23, 1297, 10.1080/14786437108217003 Endo, 1973, Phys. Lett., 46A, 29, 10.1016/0375-9601(73)90671-3 Mori, 1973, Solid State Commun., 13, 1083, 10.1016/0038-1098(73)90538-3 Sawaoka, 1966, J. Phys. Soc. Japan, 21, 1017, 10.1143/JPSJ.21.1017 Sato, 1969, J. Phys. Soc. Japan, 26, 639, 10.1143/JPSJ.26.639 Munson, 1966, Inorg. Chem., 5, 1296, 10.1021/ic50041a055 Taylor, 1969, Carnegie Inst. (Washington) Yearb., 69, 322 Munson, 1967, General Electric Report Donohue, 1968, Inorg. Chem., 7, 998, 10.1021/ic50063a031 Donohue, 1972, Mat. Res. Bull., 7, 943, 10.1016/0025-5408(72)90083-9 Jeitschko, 1973, Acta Cryst., B29, 783, 10.1107/S0567740873003341 Webb, 1970, Inorg. Chem., 9, 1084, 10.1021/ic50087a017 Webb, 1970, Inorg. Chem., 9, 843, 10.1021/ic50086a031 Clark, 1973, High Temp. High Press., 5, 319 Clark, J.B. and Range, K., unpublished. Tanaka, 1969, Rev. Phys. Chem. Japan, 38, 151 Silverman, 1964, Inorg. Chem., 3, 1041, 10.1021/ic50017a031 Silverman, 1965, Inorg. Chem., 4, 587, 10.1021/ic50026a033 Viaene, 1973, Neues Jahrb. Miner. Abh., 119, 113 Wang, 1973, Neues Jahrb. Miner. Monatsh., 413, 10.1127/njmm/1973/1973/413 Prewitt, 1965, Science, 149, 535, 10.1126/science.149.3683.535 Silverman, 1965, Inorg. Chem., 4, 129, 10.1021/ic50023a037 Donohue, 1968, J. Phys. Chem. Solids, 29, 807, 10.1016/0022-3697(68)90142-X Goryunova, 1969, Dokl. Akad. Nauk SSSR, 186, 592 Silverman, 1966, Inorg. Chem., 5, 2067, 10.1021/ic50045a056 Adams, 1965, Am. J. Sci., 263, 359, 10.2475/ajs.263.4.359 Silverman, 1967, Inorg. Chem., 6, 1063, 10.1021/ic50051a047 Towle, 1966, Science, 154, 895, 10.1126/science.154.3751.895 Frindt, 1972, J. Phys. C: Solid State Phys., 5, L154, 10.1088/0022-3719/5/12/005 Jones, 1972, Phys. Rev., 6B, 835, 10.1103/PhysRevB.6.835 Jérome, 1971, Solid State Commun., 9, 2183, 10.1016/0038-1098(71)90626-0 Smith, 1972, J. Phys. C.: Solid State Phys., 5, L230, 10.1088/0022-3719/5/16/008 Smith, 1974, J. Phys. F.: Metal Phys., 4, 2009, 10.1088/0305-4608/4/11/026 Il'ina, 1972, Fiz. Tverd. Tela, 14, 515 Yamaya, 1972, J. Phys. Soc. Japan, 32, 1150, 10.1143/JPSJ.32.1150 Grant, 1974, J. Phys. C: Solid State Phys., 7, L249, 10.1088/0022-3719/7/14/001 Bell, 1968, Carnegie Inst. (Washington) Yearb., 68, 276 Clark, 1970, J. Phys. Chem. Solids, 31, 247, 10.1016/0022-3697(70)90104-6 Banus, 1965, Science, 147, 732, 10.1126/science.147.3659.732 Banus, 1969, J. Electrochem. Soc., 116, 91, 10.1149/1.2411782 Jeitschko, 1972, Acta Cryst., B28, 1971, 10.1107/S0567740872005345 Kamb, 1964, 52, 1433 Weir, 1965, J. Res. Nat. Bur. Stand. (U.S.), 69C, 275 Whalley, 1966, J. Chem. Phys., 45, 3976, 10.1063/1.1727447 Kamb, 1964, Acta Cryst., 17, 1437, 10.1107/S0365110X64003553 Whalley, 1965, J. Chem. Phys., 43, 2148, 10.1063/1.1697095 Brown, 1966, J. Chem. Phys., 45, 4360, 10.1063/1.1727503 Kamb, B., unpublished. Johari, 1974, J. Chem. Phys., 61, 4292, 10.1063/1.1681733 Pistorius, 1968, J. Chem. Phys., 48, 5509, 10.1063/1.1668248 Kamb, 1965, Science, 150, 205, 10.1126/science.150.3693.205 Kamb, 1973, 28 Johari, 1973, 278 Kamb, 1967, Acta Cryst., 22, 706, 10.1107/S0365110X67001409 Bertie, 1968, J. Chem. Phys., 49, 2124 Nishibata, 1972, Jap. J. Appl. Phys., 11, 1701, 10.1143/JJAP.11.1701 Engelhardt, 1972, J. Chem. Phys., 56, 2678, 10.1063/1.1677596 Finch, 1968, J. Chem. Phys., 49, 4361, 10.1063/1.1669882 Kamb, 1971, J. Chem. Phys., 55, 1934, 10.1063/1.1676331 Calvert, L.D. and Whalley, E., unpublished. Kamb, 1968, Acta Cryst., B24, 1317, 10.1107/S0567740868004231 Wilson, 1965, J. Chem. Phys., 43, 2384, 10.1063/1.1697137 Whalley, 1968, J. Chem. Phys., 48, 2362, 10.1063/1.1669438 Kamb, 1960, Nature (London), 187, 140, 10.1038/187140a0 Rabideau, 1968, J. Chem. Phys., 49, 2514, 10.1063/1.1670447 La Placa, 1973, J. Chem. Phys., 58, 567, 10.1063/1.1679238 Nishibata, 1974, J. Chem. Phys., 60, 3189, 10.1063/1.1681505 Kell, 1968, J. Chem. Phys., 48, 2359, 10.1063/1.1669437 Evans, 1967, J. Appl. Phys., 38, 4930, 10.1063/1.1709255 Bendeliani, 1969, Russ. J. Phys. Chem., 43, 917 Schroeder, 1973, J. Appl. Phys., 44, 2591, 10.1063/1.1662618 Holzapfel, 1972, J. Chem. Phys., 56, 712, 10.1063/1.1677221 Chang, 1967, Mat. Res. Bull., 2, 929, 10.1016/0025-5408(67)90148-1 Chang, 1968, J. Am. Chem. Soc., 90, 2020, 10.1021/ja01010a018 Marezio, 1965, J. Phys. Chem. Solids, 26, 2083, 10.1016/0022-3697(65)90251-9 Marezio, 1966, J. Chem. Phys., 44, 3348, 10.1063/1.1727236 Marezio, 1966, J. Chem. Phys., 44, 3143, 10.1063/1.1727203 Marezio, 1965, J. Phys. Chem. Solids, 26, 1277, 10.1016/0022-3697(65)90108-3 Gondrand, 1970, Bull. Soc. Fr. Minér. Crist., 93, 421 Waintal, 1967, Mat. Res. Bull., 2, 889, 10.1016/0025-5408(67)90099-2 Pistorius, 1973, Z. Anorg. Allg. Chem., 395, 119, 10.1002/zaac.19733950114 Vielhaber, 1969, Z. Anorg. Allg. Chem., 369, 14, 10.1002/zaac.19693690104 Ringwood, 1967, Acta Cryst., 23, 1093, 10.1107/S0365110X6700430X Range, 1968, Z. Naturf., 23b, 1262, 10.1515/znb-1968-0927 Range, 1969, Z. Naturf., 24b, 1063, 10.1515/znb-1969-0828 Range, 1971, Chem. Zeitung, 95, 3 Range, 1969, Solid State Commun., 7, 1749, 10.1016/0038-1098(69)90277-4 Range, 1969, Z. Naturf., 24b, 1060, 10.1515/znb-1969-0826 Range, 1969, Z. Naturf., 24b, 1651, 10.1515/znb-1969-1231 Range, 1969, Z. Naturf., 24b, 813, 10.1515/znb-1969-0704 Range, 1970, Z. Naturf., 25b, 1187, 10.1515/znb-1970-1028 Range, 1969, Z. Naturf., 24b, 1061, 10.1515/znb-1969-0827 Range, 1974, Z. Naturf., 29b, 186, 10.1515/znb-1974-3-411 Range, 1974, Z. Naturf., 29b, 181, 10.1515/znb-1974-3-410 Pitt, 1974, Solid State Commun., 15, 899, 10.1016/0038-1098(74)90689-9 Khvostantsev, 1969, Dokl. Akad. Nauk SSSR, 186, 1365 Brandt, 1974, Fiz. Tekh. Poluprovodn., 8, 609 Storm, 1968, J. Phys. Chem. Solids, 29, 623, 10.1016/0022-3697(68)90030-9 Khvostantsev, 1972, Dokl. Akad. Nauk SSSR, 206, 1342 Katzman, 1969, J. Phys. Chem. Solids, 30, 1609, 10.1016/0022-3697(69)90222-4 Clark, 1974, Z. Phys. Chem. (Frankfurt), 88, 242, 10.1524/zpch.1974.88.5_6.242 Pistorius, 1969, High Temp. High Press., 1, 41 Pistorius, 1970, J. Phys. Chem. Solids, 31, 385, 10.1016/0022-3697(70)90118-6 Pistorius, 1969, High Temp. High Press., 1, 561 Clark, 1973, J. Solid State Chem., 7, 353, 10.1016/0022-4596(73)90162-X Richter, 1971, J. Solid State Chem., 3, 197, 10.1016/0022-4596(71)90028-4 Richter, 1971, J. Solid State Chem., 3, 434, 10.1016/0022-4596(71)90082-X Strømme, 1974, Acta Chem. Scand., 28A, 515, 10.3891/acta.chem.scand.28a-0515 Strømme, 1974, Acta Chem. Scand., 28A, 546, 10.3891/acta.chem.scand.28a-0546 Dworkin, 1970, J. Chem. Eng. Data, 15, 505, 10.1021/je60047a038 Van Rensburg, 1972, J. Solid State Chem., 5, 79, 10.1016/0022-4596(72)90013-8 Westrum, 1969, J. Chem. Phys., 50, 5083, 10.1063/1.1671022 Choi, 1974, J. Chem. Phys., 61, 3523, 10.1063/1.1682532 Cohen, 1973, Am. Mineral., 58, 796 Pistorius, 1966, Science, 151, 1003, 10.1126/science.151.3713.1003 Young, 1963, Science, 141, 348, 10.1126/science.141.3578.348 Sleight, 1968, Inorg. Chem., 7, 1672, 10.1021/ic50066a050 Sleight, 1968, Inorg. Chem., 7, 1093, 10.1021/ic50064a010 Abrahams, 1968, J. Chem. Phys., 48, 2619, 10.1063/1.1669492 Sleight, 1973, Mat. Res. Bull., 8, 863, 10.1016/0025-5408(73)90194-3 Muller, 1969, Z. Krist., 130, 112, 10.1524/zkri.1969.130.1-6.112 D'Yvoire, 1972, Compt. Rend. Acad. Sci. (Paris), 275C, 949 Muller, 1970, Inorg. Chem., 9, 410, 10.1021/ic50084a056 Nicol, 1971, J. Chem. Phys., 54, 1436, 10.1063/1.1675034 Fujita, 1974, Mat. Res. Bull., 9, 141, 10.1016/0025-5408(74)90193-7 Chang, 1971, J. Am. Ceram. Soc., 54, 357, 10.1111/j.1151-2916.1971.tb12316.x Kawada, 1974, Acta Cryst., B30, 2069, 10.1107/S0567740874006431 Lynch, 1972, J. Am. Ceram. Soc., 55, 409, 10.1111/j.1151-2916.1972.tb11323.x Chamberland, 1973, J. Solid State Chem., 8, 238, 10.1016/0022-4596(73)90091-1 Reid, 1969, Earth Planet. Sci. Lett., 6, 205, 10.1016/0012-821X(69)90091-0 Pistorius, 1974, Z. Phys. Chem. (Frankfurt), 88, 253, 10.1524/zpch.1974.88.5_6.253 Pannetier, 1966, Bull. Soc. Chim. France, 2933 Muller, 1973, Z. Krist., 138, 237, 10.1524/zkri.1973.138.138.237 Shannon, 1969, Mat. Res. Bull., 4, 57, 10.1016/0025-5408(69)90017-8 Darnell, 1968, J. Phys. Chem., 72, 1327, 10.1021/j100850a045 Gurr, 1967 Prewitt, 1968, Acta Cryst., B24, 869, 10.1107/S0567740868003304 Remeika, 1966, Appl. Phys. Lett., 8, 87, 10.1063/1.1754500 Hoekstra, 1966, Inorg. Chem., 5, 754, 10.1021/ic50039a013 Reid, 1969, J. Geophys. Res., 74, 3238, 10.1029/JB074i012p03238 Shannon, 1966, Solid State Commun., 4, 629, 10.1016/0038-1098(66)90058-5 Prewitt, 1969, Inorg. Chem., 8, 1985, 10.1021/ic50079a033 Marezio, 1970, 188, 403 Ahrens, 1969, Rev. Geophys., 7, 667, 10.1029/RG007i004p00667 Syono, 1971, J. Phys. Chem. Solids, 32, 243, 10.1016/S0022-3697(71)80026-4 Fukunaga, 1973, J. Solid State Chem., 8, 331, 10.1016/S0022-4596(73)80030-1 Marezio, 1972, Nat. Bur. Stand. (U.S.) Spec. Publ., 364, 285 Shannon, 1970, J. Solid State Chem., 2, 134, 10.1016/0022-4596(70)90041-1 Kawai, 1971, Phys. Lett., 36A, 54, 10.1016/0375-9601(71)90061-2 Worlton, 1968, J. Phys. Chem. Solids, 29, 435, 10.1016/0022-3697(68)90120-0 Searle, 1967, Phys. Lett., 25A, 256, 10.1016/0375-9601(67)90890-0 Wayne, 1967, Phys. Rev., 155, 496, 10.1103/PhysRev.155.496 Worlton, 1967, Phys. Lett., 24A, 653, 10.1016/0375-9601(67)91009-2 Worlton, 1968, Phys. Rev., 171, 596, 10.1103/PhysRev.171.596 Nagai, 1973, J. Phys. C: Solid State Phy, 6, L470, 10.1088/0022-3719/6/24/006 White, 1967, Z. Krist., 125, 450, 10.1524/zkri.1967.125.125.450 Bradley, 1966, J. Inorg. Nucl. Chem., 28, 1803, 10.1016/0022-1902(66)80266-X Jayaraman, 1966, J. Phys. Chem. Solids, 27, 1605, 10.1016/0022-3697(66)90239-3 Pietraszko, 1973, Phys. Stat. Sol., 18a, 723, 10.1002/pssa.2210180234 Weglowski, 1968, Bull. Acad. Pol. Sci., 16, 177 Banus, 1969, High Temp. High Press., 1, 269 Kruger, G.J., Kunze, O.A. and Pistorius, C.W.F.T., unpublished. Kirkinskii, 1967, Izv. Akad. Nauk SSSR, Neorg. Mater., 3, 1931 Timofeeva, 1970, Dokl. Akad. Nauk SSSR, 190, 902 Kirkinskii, 1968, Dokl. Akad. Nauk SSSR, 182, 1083 Kirkinskii, 1969, Fiz. Tverd. Tela, 11, 2382 Ball, 1965 Stishov, 1965, Zh. Eksp. Teor. Fiz. Pis'ma, 1, 20 Kirkinskii, 1974, Zh. Fiz. Khim., 48, 27 Atabaeva, 1973, Fiz. Tverd. Tela, 15, 3508 Yakushev, 1969, Eksp. Issled. Mineral., 63 Yakushev, 1974, Izv. Akad. Nauk SSSR, Neorg. Mater., 10, 1195 Atabaeva, 1968, Fiz. Tverd. Tela, 10, 62 Range, 1973, Z. Naturf., 28b, 353, 10.1515/znb-1973-5-624 Donohue, 1970, J. Solid State Chem., 2, 6, 10.1016/0022-4596(70)90024-1 Rooymans, 1967, Thesis Tressler, 1968, J. Amer. Ceram. Soc., 51, 648, 10.1111/j.1151-2916.1968.tb12637.x Eatough, 1969, Inorg. Chem., 8, 2069, 10.1021/ic50080a007 Vereshchagin, 1971, Fiz. Tverd. Tela, 13, 2474 Krupka, 1970, 188, 409 Goodenough, 1972 Baur, 1972, Am. Mineral., 57, 709 Samara, 1968, Phys. Rev. Lett., 21, 795, 10.1103/PhysRevLett.21.795 Samara, 1969, Phys. Rev., 186, 577, 10.1103/PhysRev.186.577 Mao, 1974, J. Geophys. Res., 79, 1165, 10.1029/JB079i008p01165 Reid, 1970, J. Solid State Chem., 1, 557, 10.1016/0022-4596(70)90142-8 Wadsley, 1968, Acta Cryst., B24, 740, 10.1107/S0567740868003122 Akimoto, 1970, Phys. Earth Planet. Interiors, 3, 189, 10.1016/0031-9201(70)90054-3 Morimoto, 1970, Phys. Earth Planet. Interiors, 3, 161, 10.1016/0031-9201(70)90049-X Morimoto, 1972, Am. Mineral., 57, 62 Akimoto, 1968, Phys. Earth Planet. Interiors, 1, 498, 10.1016/0031-9201(68)90018-6 Morimoto, 1974, Am. Mineral., 59, 475 Akimoto, 1965, J. Geophys. Res., 70, 1969, 10.1029/JZ070i008p01969 Ma, 1974, J. Geophys. Res., 79, 3321, 10.1029/JB079i023p03321 Akimoto, 1967, J. Geophys. Res., 72, 679, 10.1029/JZ072i002p00679 Hsu, 1967, J. Geophys. Res., 72, 4235, 10.1029/JZ072i016p04235 Bassett, 1972, Phys. Earth Planet. Interiors, 6, 154, 10.1016/0031-9201(72)90048-9 Davis, 1964, J. Geophys. Res., 69, 1113, 10.1029/JZ069i006p01113 Suito, 1972, J. Phys. Earth, 20, 225, 10.4294/jpe1952.20.225 Akimoto, 1972, Tectonophysics, 13, 101, 10.1016/0040-1951(72)90019-4 Kumazawa, 1974, Nature (London), 247, 356, 10.1038/247356a0 Ringwood, 1967, Nature (London), 215, 1367, 10.1038/2151367a0 Marumo, 1971, Acta Cryst., B27, 1868, 10.1107/S0567740871005004 Syono, 1971, J. Solid State Chem., 3, 369, 10.1016/0022-4596(71)90073-9 Akimoto, 1967, J. Chem. Phys., 47, 1813, 10.1063/1.1712170 Ringwood, 1969, Earth Planet. Sci. Lett., 5, 245, 10.1016/S0012-821X(68)80046-9 Ringwood, 1968, Earth Planet. Sci. Lett., 5, 67, 10.1016/S0012-821X(68)80015-9 Ito, 1974, Phys. Earth Planet. Interiors, 8, 241, 10.1016/0031-9201(74)90090-9 Kafalas, 1972, J. Solid State Chem., 4, 55, 10.1016/0022-4596(72)90132-6 Reid, 1969, Earth Planet. Sci. Lett., 6, 205, 10.1016/0012-821X(69)90091-0 Marezio, 1969, Acta Cryst., B25, 955, 10.1107/S0567740869003244 Marezio, 1969, Acta Cryst., B25, 965, 10.1107/S0567740869003256 Dernier, 1969, Acta Cryst., B25, 1001, 10.1107/S0567740869003396 Pistorius, 1967, J. Phys. Chem. Solids, 28, 1811, 10.1016/0022-3697(67)90155-2 Liebertz, 1967, Solid State Commun., 5, 405, 10.1016/0038-1098(67)90785-5 Yamaoka, 1973, J. Solid State Chem., 6, 280, 10.1016/0022-4596(73)90191-6 Pistorius, 1975, J. Solid State Chem., 13, 325, 10.1016/0022-4596(75)90147-4 Pistorius, 1965, J. Chem. Phys., 43, 2895, 10.1063/1.1697224 Pistorius, 1967, J. Phys. Chem. Solids, 28, 449, 10.1016/0022-3697(67)90312-5 Pistorius, 1966, J. Chem. Phys., 44, 4532, 10.1063/1.1726669 Pistorius, 1969, J. Phys. Chem. Solids, 30, 195, 10.1016/0022-3697(69)90353-9 Pistorius, 1967, J. Chem. Phys., 46, 2167, 10.1063/1.1841020 Pistorius, 1970, Z. Anorg. Allg. Chem., 372, 263, 10.1002/zaac.19703720218 Hackert, 1971, J. Solid State Chem., 3, 364, 10.1016/0022-4596(71)90072-7 Brodale, 1972, J. Phys. Chem., 76, 737, 10.1021/j100649a024 Natarajan, 1974, Canad. J. Chem., 52, 712, 10.1139/v74-112 Klement, 1974, Cement Concrete Res., 4, 939, 10.1016/0008-8846(74)90027-1 Kamb, 1968, Am. Mineral., 53, 1439 Kugimiya, 1968, Inorg. Chem., 7, 1762, 10.1021/ic50067a015 Tokonami, 1972, Earth Planet. Sci. Lett., 14, 65, 10.1016/0012-821X(72)90080-5 Syono, 1971, Phys. Earth Planet. Interiors, 4, 347, 10.1016/0031-9201(71)90017-3 Pauling, 1960 Range, 1968, Z. Naturf., 23b, 1261, 10.1515/znb-1968-0926 Range, 1968, Z. Naturf., 23b, 1009, 10.1515/znb-1968-0726 Weil, 1964, J. Chem. Phys., 41, 832, 10.1063/1.1725968 Webb, 1973, J. Phys. Chem. Solids, 34, 501, 10.1016/0022-3697(73)90044-9 Bouchard, 1967, Mat. Res. Bull., 2, 459, 10.1016/0025-5408(67)90085-2 Foiles, 1965, J. Appl. Phys., 36, 3839, 10.1063/1.1713958 Kaneko, 1970, 188, 341 Kanomata, 1970, J. Phys. Soc. Japan, 29, 332, 10.1143/JPSJ.29.332 Sawaoka, 1974, J. Phys. Soc. Japan, 36, 912, 10.1143/JPSJ.36.912 Samara, 1969, Adv. High Press. Res., 3, 155 Umebayashi, 1967, Solid State Commun., 5, 591, 10.1016/0038-1098(67)90072-5 Samara, 1967, Phys. Lett., 25A, 664, 10.1016/0375-9601(67)90462-8 Samara, 1968, Phys. Rev., 173, 605, 10.1103/PhysRev.173.605 Samara, 1971, Phys. Rev. Lett., 27, 103, 10.1103/PhysRevLett.27.103 Hegenbarth, 1967, Cryogenics, 7, 306, 10.1016/0011-2275(67)90051-3 Skalyo, 1969, J. Phys. Chem. Solids, 30, 2045, 10.1016/0022-3697(69)90183-8 Frenzel, 1970, Phys. Stat. Sol., 2A, 273, 10.1002/pssa.19700020213 Rapoport, 1970, J. Chem. Phys., 53, 311, 10.1063/1.1673782 Clark, 1969, High Temp. High Press., 1, 553 Blinc, 1973, Solid State Commun., 12, 573, 10.1016/0038-1098(73)90661-3 Blinc, 1969, J. Chem. Phys., 50, 5408, 10.1063/1.1671062 Orel, 1973, J. Molecular Struct., 18, 495, 10.1016/0022-2860(73)85102-6 Blinc, 1969, J. Chem. Phys., 51, 732, 10.1063/1.1672062 Peercy, 1973, Phys. Rev., 8B, 2033, 10.1103/PhysRevB.8.2033 Tokunaga, 1970, Ferroel., 1, 195, 10.1080/00150197008241485 Taylor, 1969, High Temp. High Press., 1, 679 Banus, 1970, High Temp. High Press., 2, 671 Iwasaki, 1971, Jap. J. Appl. Phys., 10, 1149, 10.1143/JJAP.10.1149 Goodenough, 1972, Phys. Rev., 5B, 2764, 10.1103/PhysRevB.5.2764 Banus, 1972, Phys. Rev., 5B, 2775, 10.1103/PhysRevB.5.2775 Watanabe, 1967, Acta Cryst., 23, 307, 10.1107/S0365110X67002634 Marezio, 1973, J. Solid State Chem., 6, 213, 10.1016/0022-4596(73)90184-9 Schlenker, 1974, Phys. Rev. Lett., 32, 1318, 10.1103/PhysRevLett.32.1318 Marezio, 1970, Mat. Res. Bull., 5, 1015, 10.1016/0025-5408(70)90050-4 Marezio, 1972, Phys. Rev. Lett., 28, 1390, 10.1103/PhysRevLett.28.1390 Dernier, 1970, Phys. Rev., 2B, 3771, 10.1103/PhysRevB.2.3771 McWhan, 1969, Phys. Rev. Lett., 23, 1384C, 10.1103/PhysRevLett.23.1384 McWhan, 1970, Phys. Rev., 2B, 3734, 10.1103/PhysRevB.2.3734 Jayaraman, 1970, Phys. Rev., 2B, 3751, 10.1103/PhysRevB.2.3751 McWhan, 1973, Phys. Rev., 7B, 1920, 10.1103/PhysRevB.7.1920 Marezio, 1972, Phys. Rev., 5B, 2451 Dernier, 1974, Mat. Res. Bull., 9, 955, 10.1016/0025-5408(74)90176-7 Kosuge, 1965, J. Phys. Soc. Japan, 20, 178, 10.1143/JPSJ.20.178 Hyland, 1968, J. Phys., 1C, 189 Heine, 1971, J. Phys. C: Solid State Phys., 4, L191, 10.1088/0022-3719/4/10/003 Brinkman, 1970, Phys. Rev., 2B, 1324, 10.1103/PhysRevB.2.1324 Elk, 1974, J. Phys. C: Solid State Phys., 7, 2291, 10.1088/0022-3719/7/13/009 Van Zandt, 1968, J. Appl. Phys., 39, 594, 10.1063/1.2163536 Mott, 1974, Phil. Mag., 30, 389, 10.1080/14786439808206565 Pistorius, 1975, J. Solid State Chem., 13, 208, 10.1016/0022-4596(75)90121-8 Shannon, 1975, J. Solid State Chem., 12, 16, 10.1016/0022-4596(75)90174-7 Leger, 1974, J. Less-Common Metals, 34, 17, 10.1016/0022-5088(74)90212-4 Cannon, 1974, J. Phys. Chem. Solids, 35, 1181, 10.1016/S0022-3697(74)80138-1 Leger, 1973, J. Less-Common Metals, 32, 181, 10.1016/0022-5088(73)90086-6 Eatough, 1969, Inorg. Chem., 8, 1439, 10.1021/ic50077a014 Johnson, 1971, Inorg. Chem., 10, 2089, 10.1021/ic50103a059 Eatough, 1970, Inorg. Chem., 9, 416, 10.1021/ic50084a060 Cannon, 1972, Mat. Res. Bull., 7, 5, 10.1016/0025-5408(72)90063-3 Cannon, 1972, J. Less-Common Metals, 29, 141, 10.1016/0022-5088(72)90184-1 Robertson, 1972, Mat. Res. Bull., 7, 977, 10.1016/0025-5408(72)90088-8 Cannon, 1973, J. Less-Common Metals, 31, 174, 10.1016/0022-5088(73)90142-2 Losev, 1971, Fiz. Tverd. Tela, 12, 2374 Gordon, 1972, Phys. Rev., 6B, 2982, 10.1103/PhysRevB.6.2982 Boiko, 1972, Fiz. Tverd. Tela, 14, 1272 Laukhin, 1974, Fiz. Tverd. Tela, 16, 250 Clark, J. B. and Pistorius, C. W. F. T., J. Less-Common Metals, in press. Ponyatovskii, 1970, Fiz. Metal. Metalloved, 30, 606 Laukhin, 1974, Fiz. Tverd. Tela, 16, 2765 Tonkov, 1970, Fiz. Metal. Metalloved, 29, 202 Yoon, 1970, J. Phys. Chem. Solids, 31, 2635, 10.1016/0022-3697(70)90258-1 Akaishi, 1973, Jap. J. Appl. Phys., 12, 1828, 10.1143/JJAP.12.1828 Yoon, 1968, Phys. Rev., 170, 631, 10.1103/PhysRev.170.631 Iwasaki, 1974, J. Phys. Soc. Japan, 36, 1037, 10.1143/JPSJ.36.1037 Wayne, 1969, J. Phys. Chem. Solids, 30, 183, 10.1016/0022-3697(69)90351-5 Wayne, 1968, Phys. Rev., 170, 523, 10.1103/PhysRev.170.523 Heeger, 1970, J. Appl. Phys., 41, 4751, 10.1063/1.1658533 Vinokurova, 1970, Phys. Stat. Sol., 41, K5, 10.1002/pssb.19700410151 Vinokurova, 1971, Phys. Stat. Sol., 48b, K31, 10.1002/pssb.2220480152 Leger, 1967, Compt. Rend. Acad. Sci. (Paris), 265C, 892 Dubovka, 1973, Zh. Eksp. Teor. Fiz., 65, 2282 Rice, 1971, J. Phys. (Paris), Colloq. C1, Suppl., C1, 39 Nityananda, 1972, Phys. Rev. Lett., 28, 1136, 10.1103/PhysRevLett.28.1136 Leger, 1972, Phys. Rev., 6B, 4250, 10.1103/PhysRevB.6.4250 Brouha, 1973, J. Phys. F: Metal Phys., 3, 2218, 10.1088/0305-4608/3/12/021 Brouha, 1974, IEEE Trans. Magnetics MAG-10, 182, 10.1109/TMAG.1974.1058330 Smith, 1970, Phys. Rev. Lett., 25, 1483, 10.1103/PhysRevLett.25.1483 Smith, 1971, Solid State Commun., 9, 903, 10.1016/0038-1098(71)90509-6 Smith, 1972, J. Low. Temp. Phys., 6, 171, 10.1007/BF00630915 Zhukov, 1973, Acta Met., 21, 195, 10.1016/0001-6160(73)90003-5 Korsunskaya, 1971, Dokl. Akad. Nauk SSSR, 198, 837 Korsunskaya, 1973, Dokl. Akad. Nauk SSSR, 210, 577 Ershova, 1970, Izv. Akad. Nauk SSSR, Metal., 150 Strong, 1967, J. Chem. Phys., 46, 3668, 10.1063/1.1841272 Taylor, 1967, Scripta Met., 1, 161, 10.1016/0036-9748(67)90036-1 Anderson, 1971, J. Chem. Phys., 54, 234, 10.1063/1.1674598 Bhatia, 1967, Phys. Lett., 41A, 397 Bhatia, 1974, Phys. Lett., 47A, 203, 10.1016/0375-9601(74)90008-5 Goates, 1970, Trans. Faraday Soc., 66, 25, 10.1039/TF9706600025 Clark, 1974, J. Less-Common Metals, 34, 233, 10.1016/0022-5088(74)90164-7 Fujishiro, 1971, Zairyo, 20, 952 Shinyaev, 1972, Zh. Fiz. Khim., 46, 2926 Lees, J., unpublished. Akaishi, 1973, Bull. Tokyo Inst. Techn., 117, 1 Ozaki, 1971, Jap. J. Appl. Phys., 10, 149, 10.1143/JJAP.10.149 Gartman, 1973, Russ. J. Phys. Chem., 47, 942 Kornilov, 1971, Dokl. Akad. Nauk SSSR, 201, 639 Tonkov, 1969, Dolk. Akad. Nauk SSSR, 188, 401 Kolobyanina, 1970, Zh. Eksp. Teor. Fiz., 59, 1146 Akaishi, 1974, Jap. J. Appl. Phys., 13, 1193, 10.1143/JJAP.13.1193 Eguchi, 1971, Bull. Tokyo Inst. Techn., 103, 81 Aptekar, 1970, Dokl. Akad. Nauk SSSR, 191, 1305 Ignat'eva, 1974, Dokl. Akad. Nauk SSSR, 214, 791 Brett, 1969, Earth Planet. Sci. Lett., 6, 479, 10.1016/0012-821X(69)90119-8 Ryzhenko, 1973, Am. J. Sci., 273, 803, 10.2475/ajs.273.9.803 Bhardwaj, 1971, J. Phys. Chem. Solids, 32, 1603, 10.1016/S0022-3697(71)80053-7 Kim, 1972, J. Geophys. Res., 77, 6984, 10.1029/JB077i035p06984 Tsubuki, 1973, High Temp. Sci., 5, 68 Newton, 1962, J. Geophys. Res., 67, 2559, 10.1029/JZ067i006p02559