STRUCTURAL CHARACTERIZATION OF THE DILUTED MAGNETIC SEMICONDUCTOR CuGa(1-x)Mn(x)Se2

被引：0
|
作者：
Delgado, G. E. [1 ]
Villegas, J. L. [2 ,3 ]
Silva, P. [2 ]
Sagredo, V. [4 ]
机构：
[1] Univ Los Andes, Fac Ciencias, Dept Quim, Lab Cristalog, Merida 5101, Venezuela
[2] Inst Venezolano Invest Cient IVIC, Lab Fis Mat Condensada, Caracas 1020A, Venezuela
[3] Univ Nacl Expt Politecn UNEXPO, Vicerrectorado 3001, Barquisimeto, Venezuela
[4] Univ Los Andes, Fac Ciencias, Dept Fis, Lab Magnetismo, Merida 5101, Venezuela
来源：
CHALCOGENIDE LETTERS | 2009年 / 6卷 / 07期
关键词：
Chalcogenide; Chalcopyrite; Semiconductor; Ferromagnetism; X-ray powder diffraction; RAY-POWDER DIFFRACTION; CRYSTAL-STRUCTURE; REFINEMENT; CUINSE2; GROWTH; CUGAS2; TE; SE;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The crystal structure of the diluted magnetic compounds CuGa(1-x)Mn(x)Se2, x = 0.1, 0.3, 0.5, were characterized using X-ray powder diffraction data. All compounds crystallize in the tetragonal space group I (4) over bar 2d (N degrees 122), with a chalcopyrite-type structure. In all alloys, Mn-substituted of I-III-VI2 chlcopyrites, the Mn cation preferred the Ga site which supports its ferromagnetic properties. These results are consistent with the first-principles calculations reported so far.
引用
收藏
页码：294 / 299
页数：6
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