Ab initio study of magnetic properties of Ni-Mn-Ga Heusler alloys

被引：2
|
作者：
Zagrebin, Mikhail A. [1 ]
Sokolovskiy, Vladimir V. [1 ]
Buchelnikov, Vasiliy D. [1 ]
机构：
[1] Chelyabinsk State Univ, Chelyabinsk 454001, Russia
来源：
EUROPEAN SYMPOSIUM ON MARTENSITIC TRANSFORMATIONS | 2013年 / 738-739卷
关键词：
Ab initio calculations; Heusler alloys; phase transitions; magnetic exchange parameters;
D O I：
10.4028/www.scientific.net/MSF.738-739.473
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this work the magnetic properties (exchange parameters, magnetic moment) of non-stoichiometric Ni-Mn-Ga Heusler alloys with structural disorder by the help of ab initio calculations have been performed. Theoretical composition dependences of the total magnetic moment are in qualitative agreement with experimental data. Calculations of exchange parameters show that interactions between the Mn atoms in regular positions and Mn atoms in Ni and Ga positions are antifenomagnetic.
引用
收藏
页码：473 / 477
页数：5
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