Effects of s-d Exchange Interaction and Temperature-Independent Paramagnetism on Susceptibilities of Nickel, Palladium and Platinum
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概要
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The well-known discrepancy between the number of the Bohr magneton obtained from the saturation magnetization at 0°K and that obtained from paramagnetic susceptibilities for Ni is explained by taking into account the s-d exchange interaction, instead of the s-d electron transfer, and the temperature-independent paramagnetism due to the orbital moments of d electrons. The similar discrepancy between the number of magnetic carriers obtained from the paramagnetic susceptibility measurement at lower temperatures and that at higher temperatures for Pd is explained in the same way. The same discussion is applicable to Pt. It is concluded that the temperature-independent paramagnetism is important to understand the temperature variations of susceptibilities of transition metals. The paramagnetic susceptibilities for Ni, Pd, and Pt at higher temperatures are expressed in the form, C/(T-θ_p) + x_c. The temperature-independent susceptibility, x_c, is the sum of the paramagnetic susceptibility of the conduction electron (or s electron) spins and that due to the orbital moment of d electrons.
- 社団法人日本物理学会の論文
- 1961-06-05
著者
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Shimizu M.
Department of Applied Physics, Faculty of Engineering Nagoya University
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Shimizu M.
Department of Physics, Faculty of Science, Tokyo Metropolitan University
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