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dc.contributor.authorWu, WBen_US
dc.contributor.authorHuang, DJen_US
dc.contributor.authorOkamoto, Jen_US
dc.contributor.authorTanaka, Aen_US
dc.contributor.authorLin, HJen_US
dc.contributor.authorChou, FCen_US
dc.contributor.authorFujimori, Aen_US
dc.contributor.authorChen, CTen_US
dc.date.accessioned2019-04-03T06:39:02Z-
dc.date.available2019-04-03T06:39:02Z-
dc.date.issued2005-04-15en_US
dc.identifier.issn0031-9007en_US
dc.identifier.urihttp://dx.doi.org/10.1103/PhysRevLett.94.146402en_US
dc.identifier.urihttp://hdl.handle.net/11536/13813-
dc.description.abstractMeasurements of polarization-dependent soft x-ray absorption reveal that the electronic states determining the low-energy excitations of NaxCoO2 have predominantly a(1g) symmetry with significant O 2p character. In contrast to the prediction of band theory, doping-dependent O 1s x-ray absorption shows a large transfer of spectral weight, providing spectral evidence for strong electron correlations of the layered cobaltates. We also found that NaxCoO2 exhibits a charge-transfer electronic character rather than a Mott-Hubbard character.en_US
dc.language.isoen_USen_US
dc.titleOrbital symmetry and electron correlation in NaxCoO2en_US
dc.typeArticleen_US
dc.identifier.doi10.1103/PhysRevLett.94.146402en_US
dc.identifier.journalPHYSICAL REVIEW LETTERSen_US
dc.citation.volume94en_US
dc.citation.issue14en_US
dc.citation.spage0en_US
dc.citation.epage0en_US
dc.contributor.department電子物理學系zh_TW
dc.contributor.departmentDepartment of Electrophysicsen_US
dc.identifier.wosnumberWOS:000228390600034en_US
dc.citation.woscount54en_US
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