期刊
PHYSICAL REVIEW B
卷 83, 期 7, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.83.073103
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资金
- NRF [2009-0064246, 2009-0079947]
- CUK
- NSF [DMR-0706610]
- Direct For Mathematical & Physical Scien
- Division Of Materials Research [706610] Funding Source: National Science Foundation
- National Research Foundation of Korea [2009-0064246, 2009-0079947] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Electronic structures of perovskite oxides of SrMn1-xMoxO3 in the Mo-rich regime (x >= 0.5) have been investigated by employing soft x-ray absorption spectroscopy (XAS). Mn 2p XAS spectra of SrMn1-xMoxO3 indicate that the valence states of Mn ions are divalent and that they remain nearly unchanged for x >= 0.5. On the other hand, the Mo 3p XAS spectra of SrMn1-xMoxO3 show some changes, suggesting that the valence states of Mo ions decrease with increasing x for x >= 0.5. These conclusions are supported by the unoccupied Mn 3d and Mo 4d states, observed experimentally in the O 1s XAS spectra of SrMn1-xMoxO3.
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