Ferrimagnetic Resonance in Copper Ferrite : I. Cubic-Phase Single Crystal
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概要
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The ferrimagnetic resonance in a cubic phase single crystal of CuFe_2O_4 was measured with an X-.band spectrometer from 77°K to 300°K. At room temperature, (K_1)/M (the 1'st order cubic anisotropy field) and g_<eff> (effective g-value) are -172 Oe and 2.09, respectively. At liquid nitrogen temperature, they are -810 Oe and 2.44. The half line width is maximum (85 Oe at RT) around [100] (a hard direction of magnetization). (K_1)/M extraporated down to 0°K is about -900 Oe and K_1 (0°K) is -9.7x10^<-2> cm^<-1> per molecule. This value of K_1 (0°K) may be understood as arising from the single ion anisotropy of Fe^<3+> due to cubic crystal field splitting, and a value of a_B (Fe^<3+>) (fine structure constant of Fe^<3+> on B-site in cubic crystal field) derived under some assumptions is +2.8 x 10^<-2> cm^<-1>.
- 社団法人日本物理学会の論文
- 1965-06-05
著者
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Matsuo Yoshiaki
Department Of Physics Yokohama Municipal University
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Matsuo Yoshiaki
Department Of Applied Chemistry Faculty Of Engineering Himeji Institute Of Technology
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MlYADAI Tomonao
Department of Physics, Faculty of Science, Hokkaido University
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MlYAHARA Syohei
Department of Physics, Faculty of Science, Hokkaido University
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Mlyadai Tomonao
Department Of Physics Faculty Of Science Hokkaido University
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Mlyahara Syohei
Department Of Physics Faculty Of Science Hokkaido University
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