Abstract
We report a photoemission spectroscopy (PES) and X-ray absorption spectroscopy (XAS) study for bulk Zn1-xCoxO samples (x = 0 and 0.1). Both the Co 2p XAS and the Co 2p core-level PES spectra show that the doped Co ions in Zn1-xCoxO are in the divalent Co 2+ (d7) states under the tetrahedral symmetry. A Co 2p → 3d resonant photoemission spectroscopy measurement shows that the Co 3d states lie near the top of the O 2p valence band. This work suggests that the doped Co ions in Zn1-xCoxO substitute properly for the Zn sites with Co2+ valence states. © 2004 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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CITATION STYLE
Wi, S. C., Kang, J. S., Kim, J. H., Lee, S. S., Cho, S. B., Kim, B. J., … Min, B. I. (2004). Photoemission study of Zn1-xCoxO as a possible DMS. In Physica Status Solidi (B) Basic Research (Vol. 241, pp. 1529–1532). Wiley-VCH Verlag. https://doi.org/10.1002/pssb.200304598
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