Ferromagnetic Crystalline Anisotropy of Fe-Mn-Ferrite System

概要

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Ferromagnetic resonance absorption of microwave (9300Mc/s) in synthetic single crystals of Mn_zFe_<3-x>O_4 (0.2 ≦ x ≦ 1.15) has been investigated to study their magnetic crystalline anisotropy, g-factor and line width. The pronounced valley in the curve, magnetic crystalline anisotropy (-K_1/M) vs. composition (x), was observed in the temperature region between 90°K and 300°K. -K_1/M was a minimum in the region 0.6 < x < 0.7 and changed its sign. g-value and line width decreased with x more rapidly in the region x < 0.6 than x > 0.6. It seems difficult to explain these experimental results on the view point of one-ion-model which proved successful in many other ferrites.
社団法人日本物理学会の論文
1959-11-05