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dc.contributor.authorWu, WBen_US
dc.contributor.authorHuang, DJen_US
dc.contributor.authorOkamoto, Jen_US
dc.contributor.authorLin, HJen_US
dc.contributor.authorChou, FCen_US
dc.contributor.authorChen, CTen_US
dc.date.accessioned2014-12-08T15:16:46Z-
dc.date.available2014-12-08T15:16:46Z-
dc.date.issued2006-05-01en_US
dc.identifier.issn0921-4526en_US
dc.identifier.urihttp://dx.doi.org/10.1016/j.physb.2006.01.320en_US
dc.identifier.urihttp://hdl.handle.net/11536/12339-
dc.description.abstractWe present measurements of polarization-dependent soft X-ray absorption on NaxCoO2. The results reveal that the electronic states determining the low-energy excitations of NaxCoO2 have predominantly a(1g) symmetry with significant O 2p character. A large transfer of spectral weight observed in O 1s X-ray absorption provides spectral evidence for strong electron correlations in NaxCoO2 with the Na doping higher than half. For the Na concentration less than half, our measurements of O 1s absorption suggest that Na2CoO2 exhibits band-like electronic character. (c) 2006 Published by Elsevier B.V.en_US
dc.language.isoen_USen_US
dc.subjectorbital polarizationen_US
dc.subjectsoft X-ray absorptionen_US
dc.titleOrbital symmetry and electron correlation in NaxCoO2en_US
dc.typeArticle; Proceedings Paperen_US
dc.identifier.doi10.1016/j.physb.2006.01.320en_US
dc.identifier.journalPHYSICA B-CONDENSED MATTERen_US
dc.citation.volume378-80en_US
dc.citation.issueen_US
dc.citation.spage867en_US
dc.citation.epage868en_US
dc.contributor.department電子物理學系zh_TW
dc.contributor.departmentDepartment of Electrophysicsen_US
dc.identifier.wosnumberWOS:000238426600377-
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