Soft x-ray synchrotron radiation spectroscopy study of [formula omitted] perovskites [formula omitted]

Kim, D. H.; Lee, S. M.; Kolesnik, S.; Dabrowski, B.; Park, B. -G.; Kim, J. -Y.; Lee, Jieun; Min, B. I.; Kang, J. -S.

doi:10.1063/1.3360342

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Soft x-ray synchrotron radiation spectroscopy study of [formula omitted] perovskites [formula omitted] : Soft x-ray synchrotron radiation spectroscopy study of SrMn1-xRuxO3 perovskites (0≤x≤1)

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Authors: Kim, D. H.; Lee, S. M.; Kolesnik, S.; Dabrowski, B.; Park, B. -G.; Kim, J. -Y.; Lee, Jieun; Min, B. I.; Kang, J. -S.

Issue Date: 2010-05

Publisher: AMER INST PHYSICS

Citation: JOURNAL OF APPLIED PHYSICS, Vol.107 No.9, p. 4267

Abstract: The electronic structures of SrMn1-xRuxO3 (0 <= x <= 1) have been investigated by employing soft x-ray absorption spectroscopy (XAS). The measured Mn 2p XAS spectra for SrMn1-xRuxO3 show that the valence states of Mn ions change monotonically from Mn4+ for x=0 to similar to Mn3+ for x=0.8, suggesting that the valence states of the substituted Ru ions are higher than 4+. The Ru 3p XAS spectra of SrMn(1-x)RuxO(3) show the existence of pentavalent Ru5+ ions for the low x value. The measured O 1s XAS spectra also support these findings. (C) 2010 American Institute of Physics. [doi:10.1063/1.3360342]