Magnetic Phase Transition in Ni_xCo_<(1-x)>Cl_2・6H_2O
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概要
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Magnetic phase transition in the solid solution of two antiferromagnets, CoCl_2・6H_2O and NiCl_2・6H_2O, was studied by measurements of specific heat and magnetic susceptibility. The dependence of the Neel temperature T_N(x) on concentration x was obtained. Near x=0.50, a dip was found on T_N(x)-x curve. In the specific heat curve, the width of peak at the half value of its height was wider in the solid solution than in each pure salt. The specific heats diverged logarithmically at the Neel point in the whole range of concentration giving the critical exponent α'(x)=0. The slope of the logarithmical divergence and the temperature region ε(=1-T/T_N(x)) in which the relation of logarithmical divergence α'(x)=0 holds are discussed.
- 社団法人日本物理学会の論文
- 1970-10-05
著者
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TAKEDA Kazuyoshi
Department of Applied Quantum Physics, Kyushu University
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MATSUURA Motohiro
Department of Physics, Faculty of Science, Kyoto University
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HASEDA Taiichiro
Department of Physics, Faculty of Science, Kyoto University
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Matsuura Motohiro
Department Of Physics Faculty Of Science Kyoto University
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Matsuura Motohiro
Department Of Electronics And Information Science Kyoto Institute Of Technology
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Haseda Taiichiro
Department Of Applied Physics Fuculty Of Engineering Ibaraki University
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Takeda Kazuyoshi
Department Of Physics Faculty Of Science Kyoto University
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Takeda Kazuyoshi
Department Of Applied Quantum Physics Faculty Of Engineering Kyushu University:institute Of Environm
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MATSUURA Motohiro
Department of Agricultural Chemistry, Kyoto University
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