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Photoemission spectroscopy study of metal-insulator transition in SrMn1-xFexO3 SCIE SCOPUS

Title
Photoemission spectroscopy study of metal-insulator transition in SrMn1-xFexO3
Authors
Kim, DHLee, HJDabrowski, BKolesnik, SLee, JKim, BMin, BIKang, JS
Date Issued
2010-02
Publisher
AMER PHYSICAL SOC
Abstract
Electronic structures of cubic perovskite oxides of SrMn1-xFexO3(0 <= x <= 1) have been investigated by employing photoemission spectroscopy (PES) and soft x-ray absorption spectroscopy (XAS). The spectral intensity near the Fermi level [I(E-F)] is found to be finite in Fe 3d PES of SrFeO3. I(E-F) increases with x in Fe 3d PES of SrMn1-xFexO3, while it is negligibly small in Mn 3d PES for all x. The O 1s XAS for SrFeO3 also shows the finite spectral intensity near the Fermi level. These findings provide the experimental evidence for the metal-insulator transition in SrMn1-xFexO3 with decreasing x and imply the importance of Fe 3d electrons in determining the metallic states in SrMn1-xFexO3. First principles band structure calculations for SrFeO3 and SrMnO3 support these findings in PES/XAS.
URI
https://oasis.postech.ac.kr/handle/2014.oak/12249
DOI
10.1103/PHYSREVB.81.073101
ISSN
1098-0121
Article Type
Article
Citation
PHYSICAL REVIEW B, vol. 81, no. 7, 2010-02
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