Influence of structural transition on transport properties of Ni2MnGa alloy

被引：0
|
作者：
Zhou, Y [1 ]
Jin, XS
Xu, HB
Lee, YP
Kudryavtsev, YV
Kim, KW
机构：
[1] Beijing Univ Aeronaut & Astronaut, Dept Mat Sci & Engn, Beijing 100083, Peoples R China
[2] Hanyang Univ, Dept Phys, Seoul 133791, South Korea
[3] Sunmoon Univ, Dept Phys, Asan 336840, South Korea
来源：
SHAPE MEMORY MATERIALS AND ITS APPLICATIONS | 2001年 / 394-3卷
关键词：
debye temperature; Ni2MnGa alloy; scattering mechanisms; transport properties;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The transport properties of a Ni2MnGa alloy in the martensitic and austenitic states were investigated. The dependence of temperature coefficient of resistivity on temperature shows kinks at the structural and ferro-para magnetic transitions. It is suggested that electron-magnon and electron-phonon scatterings are dominant scattering mechanisms for the Ni2MnGa alloy in the martensitic and austenitic states, respectively. It was observed that martensite reveals a higher Debye temperature comparing with the austenite, which was explained by a difference in restore coefficient between atoms.
引用
收藏
页码：553 / 556
页数：4
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