Properties of Fe-Ga and Fe-Ga-V Alloys: Ab Initio Study

被引：2
|
作者：
Matyunina, Mariya V. [1 ]
Zagrebin, Mikhail A. [1 ,2 ]
Sokolovskiy, Vladimir V. [1 ,2 ]
Buchelnikov, Vasiliy D. [1 ,2 ]
机构：
[1] Chelyabinsk State Univ, 129 Bratev Kashirinykh Str, Chelyabinsk 454001, Russia
[2] Natl Univ Sci & Technol MISiS, 4 Leninskiy Prospect, Moscow 119991, Russia
来源：
SHAPE MEMORY ALLOYS, SMA 2018 | 2018年 / 9卷
基金：
俄罗斯科学基金会;
关键词：
Ab Initio Calculations; Shear Modulus; Curie Temperature; Fe-Ga; Fe-Ga-V;
D O I：
10.21741/9781644900017-17
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Structural and magnetic properties of Fe73.44Ga26.56 and Fe73.44Ga17.18V9.38 alloys have been studied by means of ab initio calculations. It was shown that the adding of V atoms into Fe-Ga alloy stabilized the D0(3) structure and changes the shear modulus sign from negative to positive. Moreover, the total magnetic moment is decreased by 10 % and 16 % for D0(3) and L1(2) structures, respectively. The Curie temperatures of the studied compositions were estimated. It was found that in case of Fe73.44Ga26.56 the calculated Curie temperature of L1(2) structure is in an agreement with the experimental data.
引用
收藏
页码：92 / 97
页数：6
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