Evolution of the electronic structure and optical properties of iron-based Heusler alloys

被引：8
|
作者：
Shreder, E. I. [1 ]
Svyazhin, A. D. [1 ]
Makhnev, A. A. [1 ]
机构：
[1] Russian Acad Sci, Inst Met Phys, Ural Branch, Ekaterinburg 620990, Russia
来源：
OPTICS AND SPECTROSCOPY | 2015年 / 119卷 / 06期
关键词：
TRANSPORT-PROPERTIES; MAGNETISM;
D O I：
10.1134/S0030400X1511020X
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The optical properties of Heusler alloys Fe-2 MeAl (Me = Ti, V, Cr, Mn, Fe, Co, or Ni) and Fe2MnSi have been studied, and their optical spectra have been calculated. Substitution for the Me atom is found to cause significant changes in the band-energy spectrum, especially in the vicinity of the Fermi level. These changes are accompanied by considerable variations in the optical characteristics of alloys. The optical properties of Fe-2 MeAl alloys (Me = Ti, Fe, Co, or Ni) are typical of metals. The anomalous behavior of the optical properties of alloys with Me = V, Cr, or Mn is determined by the electronic states at the Fermi level.
引用
收藏
页码：969 / 973
页数：5
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