Structure optimization and frozen phonons in LiNbO3

Johnston, 1970, Phys. Rev., 168, 1045, 10.1103/PhysRev.168.1045 Servion, 1979, Solid State Commun., 31, 387, 10.1016/0038-1098(79)90562-3 Penna, 1976, Solid State Commun., 19, 491, 10.1016/0038-1098(76)90049-1 Penna, 1977, Solid State Commun., 23, 377, 10.1016/0038-1098(77)90236-8 Chowdhury, 1978, J. Phys. C: Solid State Phys., 11, 1671, 10.1088/0022-3719/11/8/029 Okamoto, 1985, Phys. Rev. B, 32, 6787, 10.1103/PhysRevB.32.6787 Abrahams, 1973, J. Phys. Chem. Solids, 34, 521, 10.1016/0022-3697(73)90047-4 Inbar, 1994, Ferroelectrics, 164, 45, 10.1080/00150199508221829 Inbar, 1996, Ferroelectrics, 194, 83, 10.1080/00150199708016084 Inbar, 1996, Phys. Rev. B, 53, 1193, 10.1103/PhysRevB.53.1193 Yu, 1997, Physica B, 237–238, 341, 10.1016/S0921-4526(97)00210-X Singh, 1994 Singh, 1991, Phys. Rev. B, 43, 6388, 10.1103/PhysRevB.43.6388 P. Blaha, K. Schwarz, J. Luitz, WIEN97, Vienna University of Technology 1997. Improved and updated Unix version of the original copyrighted WIEN-code, which was published by P. Blaha, K. Schwartz, P. Sorantin, S.B. Trickey, Comput. Phys. Commun. 59 (1990) 399. Perdew, 1992, Phys. Rev. B, 45, 13244, 10.1103/PhysRevB.45.13244 Kojima, 1993, Jpn. J. Appl. Phys., 32, 4373, 10.1143/JJAP.32.4373 Ridah, 1997, Phys. Rev. B, 56, 5967, 10.1103/PhysRevB.56.5967 Schwarz, 1997, Phys. Rev. B, 55, 11041, 10.1103/PhysRevB.55.11041 Singh, 1992, Ferroelectrics, 136, 95, 10.1080/00150199208016069 Postnikov, 1994, Phys. Rev. B, 50, 758, 10.1103/PhysRevB.50.758 Postnikov, 1994, Phys. Rev. B, 50, 16403, 10.1103/PhysRevB.50.16403