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Polarization-Dependent Soft X-ray Absorption Spectroscopy Study of Layered Thermoelectric Cobalt Oxide: Bi2-xPbxSr2Co2O8+δ

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dc.contributor.authorJ.-S. Kang-
dc.contributor.authorH. J. Lee-
dc.contributor.authorG. Kim-
dc.contributor.authorS. W. Han-
dc.contributor.authorT. Fujii-
dc.contributor.authorI. Terasaki-
dc.contributor.authorHangil Le-
dc.contributor.authorJ.-Y. Kim-
dc.contributor.authorB. H. Kim-
dc.contributor.authorB. I. Min-
dc.date.accessioned2022-04-19T11:03:25Z-
dc.date.available2022-04-19T11:03:25Z-
dc.date.created2022-03-30-
dc.date.issued2008-08-
dc.identifier.issn0374-4884-
dc.identifier.urihttps://scholarworks.sookmyung.ac.kr/handle/2020.sw.sookmyung/148182-
dc.description.abstractThe electronic structures of Bi2xPbxSr2Co2O8+ (x = 0, 0.4, 0.6) thermoelectric single crystals have been investigated by using polarization-dependent soft X-ray absorption spectroscopy (XAS). The Co ions are found to be in the Co3+-Co4+ mixed-valence states with a low-spin conguration, and the lowest unoccupied states are found to have mainly an out-of-plane Co a1g character. With increasing x in Bi2xPbxSr2Co2O8+, all the peaks in the O 1s XAS spectra become broadened, suggesting that the improved thermoelectric property in Bi2xPbxSr2Co2O8+ for x > 0 is due to the enhanced delocalized character of Co a1g a1g hole carriers.-
dc.language영어-
dc.language.isoen-
dc.publisherThe Korean Physical Society-
dc.titlePolarization-Dependent Soft X-ray Absorption Spectroscopy Study of Layered Thermoelectric Cobalt Oxide: Bi2-xPbxSr2Co2O8+δ-
dc.typeArticle-
dc.contributor.affiliatedAuthorHangil Le-
dc.identifier.doi10.3938/jkps.53.1010-
dc.identifier.scopusid2-s2.0-51149120597-
dc.identifier.wosid000258481000015-
dc.identifier.bibliographicCitationJOURNAL OF THE KOREAN PHYSICAL SOCIETY, v.53, no.2, pp.1010 - 1013-
dc.relation.isPartOfJOURNAL OF THE KOREAN PHYSICAL SOCIETY-
dc.citation.titleJOURNAL OF THE KOREAN PHYSICAL SOCIETY-
dc.citation.volume53-
dc.citation.number2-
dc.citation.startPage1010-
dc.citation.endPage1013-
dc.type.rimsART-
dc.identifier.kciidART001474594-
dc.description.journalClass1-
dc.description.isOpenAccessN-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.description.journalRegisteredClasskci-
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