Magnetic Compton scattering study of shape memory alloys

被引：15
|
作者：
Ahuja, B. L. [1 ]
Sharma, Vinit [1 ]
Sakurai, Y. [2 ]
机构：
[1] ML Sukhadia Univ, Dept Phys, Udaipur 313001, India
[2] Japan Synchrotron Radiat Res Inst JASRI, Expt Res Div, Mikazuki, Hyogo 6795198, Japan
来源：
FERROMAGNETIC SHAPE MEMORY ALLOYS | 2008年 / 52卷
关键词：
Magnetic Compton scattering; Electronic structure; Band structure calculations; Shape memory alloys;
D O I：
10.4028/www.scientific.net/AMR.52.145
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
The Compton profile, projection of electron momentum density distribution along the scattering vector, is very sensitive to the behavior of valence electrons in a variety of materials. In this paper theoretical aspects related to measurement of spin momentum densities of magnetic materials using Compton scattering is reviewed. To highlight the potential of the magnetic Compton scattering, the spin momentum densities in Ni-Mn-Ga Heusler alloys at various temperatures and magnetic fields are presented. The magnetic Compton profiles are mainly analyzed in terms of the contribution from the 3d electrons of Mn. A comparison of the magnetic Compton data with other magnetization studies illustrates its importance in exploring the magnetic effects in ferro- or ferri-magnetic materials.
引用
收藏
页码：145 / +
页数：3
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