Ferromagnetic Transition of Heisenberg Ferromagnetic Metal of CoS_2 : Static Critical Properties
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概要
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The static magnetic properties near the Curie temperature in CoS_2 have been thoroughly studied by using various experimental techniques from high quality single crystals, which were grown by the chemical transport technique. A very small anisotropy in magnetization confirms that CoS_2 is the best system to apply the Heisenberg Hamiltonian. The critical indices obey the static scaling hypothesis, which indicates negligible effect of the temperature-induced local moment on the ferromagnetic transition. However, the static critical properties suggest that the magnetic transition is close to the tricritical point, although the magnetic transition in CoS_2 is continuous.
- 社団法人日本物理学会の論文
- 1994-12-15
著者
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Hiraka Haruhiro
Department Of Physics Tohoku University
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ENDOH Yasuo
Department of Physics,Tohoku University
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Hiraka Haruhiro
Department Of Physics
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Endoh Yasuo
Department Of Chemistry Kyoto University
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