X-ray Diffraction Study of Order-Disorder Phase Transition in CuMPt_6 (M=3d Elements) Alloys(Condensed matter: structure and mechanical and thermal properties)
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概要
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We investigated the ordering behavior of ternary CuMPt_6 alloys with M=Ti, V, Cr, Mn, Fe, Co, and Ni by high-temperature polycrystalline X-ray diffraction. The alloys undergo a phase transition from the fcc disordered state to the Cu_3Au-type ordered state, except for the alloy with M=Ni, in which only short-range order forms. The transition temperature T_c is highest (1593K) for M=Ti and decreases almost monotonically with increasing atomic number to 1153K for M=Co. The observed dependence of ordering tendency on the atomic number of M is discussed in the light of the theory of ordering in transition-metal alloys and its significance for the study of ordering in ternary alloys.
- 社団法人日本物理学会の論文
- 2009-01-15
著者
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Tokita M
Fukuoka Institute Of Technology
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Tokita Masahiko
Fac. Of Engineering Fukuoka Inst. Of Technol. Fukuoka 811-0295 Jpn
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IWASAKI Hiroshi
Institute of Scientific and Industrial Research, Osaka University
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Iwasaki H
Institute Of Materials Science University Of Tsukuba
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Ahmed Ejaz
Institute Of Materials Science University Of Tsukuba:(present Office)physics Division Pakistan Insti
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Ohshima K
Institute Of Materials Science University Of Tsukuba
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TAKAHASHI Miwako
Institute of Materials Science, University of Tsukuba
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OHSHIMA Kenichi
Institute of Materials Science, University of Tsukuba
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Ohshima Ken-ichi
Institute Of Materials Science University Of Tsukuba
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Takahashi M
Institute Of Materials Science University Of Tsukuba
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高橋 正雄
神奈川工科大
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Ohshima Ken-ichi
Institute Of Applide Physics University Of Tsukuba
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Takahashi Miwako
Institute Of Materials Science University Of Tsukuba
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Iwasaki H
Department Of Photonics Faculty Of Science And Engineering Ritsumeikan University
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Iwasaki Hiroshi
Institute Of Materials Science University Of Tsukuba
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Ohshima K
Univ. Tsukuba Tsukuba
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