Temperature Dependence of the Magnetization for Amorphous Gd_<65>Co_<35>
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概要
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We present detailed investigation of the temperature dependence of the magnetization for amorphous Gd_<65>Co_<35> below 340 K in magnetic fields up to 5.27T. The paramagnetic susceptibility follows the Curie-Weiss law. We experimentally find that T^<2.00±0.05> is the functional form of another dominant contribution to the temperature dependence of the magnetization than the spin wave term T^<3/2>. These T^2 and T^<3/2> terms are interpreted as longitudinal and transverse fluctuations in the local moment derived from polarization of the spin bands. The longitudinal fluctuation comes from itinerant character of 3d electrons in Co atoms.
- 社団法人日本物理学会の論文
- 1994-12-15
著者
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Nakai Ikuo
Department Of Electrical And Electonic Engineering Tottori University
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Fukagawa Tomoki
Department Of Physics Faculty Of Science Okayama University
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