Electronic structure of the cubic perovskite SrMn1-xFexO3 investigated by x-ray spectroscopies

被引：29

作者：

Kang, J. -S. ^{[1
]}

Lee, H. J. ^{[1
]}

Kim, G. ^{[1
]}

Kim, D. H.

Dabrowski, B. ^{[2
]}

Kolesnik, S. ^{[2
]}

Lee, Hangil ^{[4
]}

Kim, J. -Y. ^{[4
]}

Min, B. I. ^{[3
]}

机构：

[1] CUK, Dept Phys, Puchon 420743, South Korea

[2] No Illinois Univ, Dept Phys, De Kalb, IL USA

[3] POSTECH, Dept Phys, Pohang 790784, South Korea

[4] POSTECH, PAL, Pohang 790784, South Korea

来源：

PHYSICAL REVIEW B | 2008年 / 78卷 / 05期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1103/PhysRevB.78.054434

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The electronic structures of SrMn(1-x)Fe(x)O(3) (0 <= x <= 1) have been investigated by using photoemission spectroscopy (PES), soft x-ray absorption spectroscopy, and soft x-ray magnetic circular dichroism (XMCD). Both Mn and Fe ions are found to be nearly tetravalent for the whole range of x in SrMn(1-x)Fe(x)O(3). Valence-band PES measurements show the broader Fe 3d (t(2g)(3)e(g)(1)) bands than the Mn 3d (t(2g)(3)) bands and the finite metallic intensity near E(F) in the Fe 3d PES of SrFeO(3) in agreement with the metallic ground state of SrFeO(3). The Fe 2p XMCD spectra exhibit the enhanced XMCD effect for 0.6 <= x <= 0.8 in SrMn(1-x)Fe(x)O(3), which is consistent with the spin-glass behavior in the intermediate substitution, while the Mn 2p states exhibit the negligible XMCD effect.

引用

页数：5

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