Antiferromagnetism of γ-Phase Manganese Alloys Containing Ni, Zn, Ga and Ge
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概要
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Manganese-rich γ-phase alloys of Mn-Ni, Mn-Zn, Mn-Ga and Mn-Ge have been investegated with X-ray and neutron diffraction and specific heat measurements. The Mn-Zn, Mn-Ga and Mn-Ge alloys exhibit antiferromagnetism below the transition temperature, at which the cubic lattice is transformed to the tetragonal lattice (the axial ratio c/a<1). The Mn-Ni alloys containing less than 15 at. %Ni become tetragonal (c/a<1) at the Neel temperature, while those containing more than 15 at. %Ni are cubic even below the Neel temperature and become tetragonal (c/a>1) at a lower temperature. The magnetic structure for the axial ratio c/a>1 is different from that for the axial ratio c/a<1. The integated values of the anomalous specific heat are less than the values predicted by the localized moment model of antiferromagnetism.
- 社団法人日本物理学会の論文
- 1971-08-05
著者
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Uchishiba Hidema
Department Of Physics Faculty Of Science Gakushuin University
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Uchishiba Hidema
Department Of Physics Faculty Of Science Gakushuin University:(present Address) Fujitsu Laboratories
関連論文
- Cubic-Tetragonal Transition and Antiferromagnetism of γ-Phase Mn-Ni Alloys
- Cubic-Tetragonal Transition and Antiferromagnetism of α'-MnZn_3
- Antiferromagnetism of γ-Phase Manganese Alloys Containing Ni, Zn, Ga and Ge