Critical Behavior of Linear and Nonlinear Susceptibilities near Curie Temperature in Au_<82>Fe_<18> Alloy
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概要
- 論文の詳細を見る
The ac linear (χ_0) and nonlinear (χ_2) susceptibilities of Au_<82>Fe_<18> alloy have been studied around the Curie temperature T_c, to make clear the feature of the magnetic phase transition. In very low field measurements , the nonlinear susceptibilityχ_2 is observed only in the vicinity of T_c and the temperature dependence ofχ_2 is in good agreement with theoretical expectations in the transition from a ferromagnetic phase to a paramagnetic phase. Analysis of the critical behavior ofχ_0 andχ_2 yields the susceptibility exponent γ=1.33±0.05 and the nonlinear susceptibility exponent γ_2=4.82±0.50. These values are very close to theoretical predictions for 3d-Heisenberg pure ferromagnets.
- 社団法人日本物理学会の論文
- 1993-08-15
著者
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BITOH Teruo
Department of Machine Intelligence and Systems Engineering, Faculty of Systems Science of Technology
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Shirane Takashi
Department Of Applied Materials Science Muroran Institute Of Technology
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CHIKAZAWA Susumu
Department of Applied Materials Science, Muroran Institute of Technology
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Chikazawa Susumu
Department Of Applied Material Science Muroran Institute Of Technology
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Bitoh T
Muroran Inst. Technol. Hokkaido
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Chikazawa S
Muroran Inst. Technol. Muroran Jpn
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