Phase diagrams of Heusler alloys with inversion of the exchange interaction

被引:11
|
作者
Buchel'nikov, V. D. [1 ]
Taskaev, S. V.
Zagrebin, M. A.
Entel, P.
机构
[1] Chelyabinsk State Univ, R-454021 Chelyabinsk, Russia
[2] Univ Duisburg Essen, Dept Phys, D-47048 Duisburg, Germany
基金
俄罗斯基础研究基金会;
关键词
75; 30; Kz; 50; -y; 80; +q;
D O I
10.1134/S0021364007110070
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The phase diagrams of magnetically ordered Heusler alloys with the inversion of the exchange interaction have been studied using the phenomenological Landau theory of phase transitions. It has been shown that the shape of the phase diagrams in these alloys depends on the magnitudes and signs of the phenomenological parameters in the Landau functional. At certain magnitudes and signs of the parameters of the Landau functional, the phase diagrams have thermodynamic paths that allow one to explain the experimentally observed sequences of the phase transitions in the Heusler alloys.
引用
收藏
页码:560 / 564
页数:5
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