Frequency dependence of low-temperature susceptibility peak in some titanomagnetites

Chikazumi, 1961, Physics of Magnetism, 15 Goldfarb, 1982, Spin-freezing below ferromagnetic transition determined by the imaginary component of a.c. magnetic susceptibility, J. Appl. Phys., 53, 7687, 10.1063/1.330182 Li, 1932, Magnetic properties of magnetite crystal at low temperature, Phys. Rev., 40, 1002, 10.1103/PhysRev.40.1002 Néel, 1955, Some theoretical aspects of rock magnetism, Adv. Phys., 4, 191, 10.1080/00018735500101204 Ohta, 1963, Magnetocrystalline anisotropy and magnetic permeability of MnZnFe ferrites, J. Phys. Soc. Jpn., 18, 685, 10.1143/JPSJ.18.685 Radhakrishnamurty, 1979, Inhibition of domain wall formation and its effects on the bulk magnetic properties of certain spinels, Pramana, 13, 413, 10.1007/BF02846138 Radhakrishnamurty, 1981, A comparison of the magnetic properties of synthetic titanomagnetites and basalts, Phys. Earth Planet. Inter., 26, 37, 10.1016/0031-9201(81)90095-9 Radhakrishnamurty, 1990, Unusually large shift in low-temperature susceptibility peak of Fe2.8Ti0.2O4 with frequency, Pramana—J. Phys., 35, 377, 10.1007/BF02845746 Ranganathan, 1985, AC susceptibility studies in the amorphous Ni80 − xFexSi8B12 (2.4 ≤ x ≤ 16) alloys, J. Phys. C: Solid State Phys., 18, L1057, 10.1088/0022-3719/18/32/006 Snoek, 1949, New Developments in Ferromagnetic Materials, 25 Syono, 1965, Magnetocrystalline anisotropy and magnetostriction of Fe3O4Fe2TiO4 series—with special application to rock magnetism, Jpn. J. Geophys., 4, 71 Weiss, 1914, Die anfängliche Permeabilität von Eisen und Magnetit in Funktion der Temperatur und die Abhängigkeit der Umwandlungspunkte von der Feldstärke, Arch. Elektrotech. (Berlin), 2, 406, 10.1007/BF01659708 Yoshida, 1977, X-ray diffraction study on the low temperature phase of magnetite, J. Phys. Soc. Jpn., 42, 230, 10.1143/JPSJ.42.230