Mn 3d states in ferromagnetic semiconductor Ge1-xMnxTe investigated by Mn 2p-3d soft X-ray magnetic circular dichroism spectroscopy

被引：7
|
作者：
Sato, H
Fujimoto, K
Fukuma, Y
Tsuji, K
Kimura, A
Taniguchi, M
Senba, S
Tanaka, A
Asada, H
Koyanagi, T
机构：
[1] Hiroshima Univ, Hiroshima Synchrotron Radiat Ctr, Higashihiroshima 7398526, Japan
[2] Hiroshima Univ, Grad Sch Sci, Higashihiroshima 7398526, Japan
[3] Yamaguchi Prefectural Ind Technol, Ube, Yamaguchi 7550195, Japan
[4] Ube Natl Coll Technol, Ube, Yamaguchi 7558555, Japan
[5] Hiroshima Univ, ADSM, Higashihiroshima 7398520, Japan
[6] Yamaguchi Univ, Grad Sch Sci & Engn, Ube, Yamaguchi 7558611, Japan
来源：
JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA | 2005年 / 144卷
关键词：
Ge1-xMnxTe; IV-V1 diluted magnetic semiconductors; ferromagnetism; Mn; 3d; soft X-ray magnetic circular dichroism;
D O I：
10.1016/j.elspec.2005.01.075
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
Mn 3d electronic structure in IV-VI ferromagnetic semiconductor Ge1-xMnxTe (x = 0.32) has been investigated by means of the soft X-ray magnetic circular dichroism (XMCD) measurements of the Mn 2p-3d absorption spectra (XAS spectra). The XAS and XMCD spectra show a characteristic feature of the localized Mn2+ 3d states. From the analyses of the spectra based on the configuration interaction theory, the parameters such as the p-d hybridization and p-d exchange constant N-0 beta are estimated. (c) 2005 Elsevier B.V All rights reserved.
引用
收藏
页码：727 / 729
页数：3
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