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dc.contributor.authorHuang, DJen_US
dc.contributor.authorChang, CFen_US
dc.contributor.authorChen, Jen_US
dc.contributor.authorLin, HJen_US
dc.contributor.authorChung, SCen_US
dc.contributor.authorJeng, HTen_US
dc.contributor.authorGuo, GYen_US
dc.contributor.authorWu, WBen_US
dc.contributor.authorShyu, SGen_US
dc.contributor.authorChen, CTen_US
dc.date.accessioned2014-12-08T15:38:54Z-
dc.date.available2014-12-08T15:38:54Z-
dc.date.issued2004-07-01en_US
dc.identifier.issn0368-2048en_US
dc.identifier.urihttp://dx.doi.org/10.1016/j.elspec.2004.02.058en_US
dc.identifier.urihttp://hdl.handle.net/11536/26634-
dc.description.abstractWe present studies of orbital magnetic moments of CrO2 and Fe3O4 by measuring magnetic circular dichroism (MCD) in soft X-ray absorption. The results show that Fe3O4 exhibits large orbital moments, as a consequence of the strong Coulomb interactions of Fe 3d electrons. In contrast, orbital moments of Cr in CrO2 are nearly quenched, revealing that Cr 3d electrons are strongly hybridized with O 2p electrons and more delocalized as compared with those of Fe in Fe3O4. Comparing the MCD data with the band structure calculations based on local spin density approximation with on-site Coulomb energy U taken into account, we conclude that to include the on-site Coulomb interactions of 3d electrons is essential for adequately describing the electronic structure of CrO2 and Fe3O4. (C) 2004 Elsevier B.V. All rights reserved.en_US
dc.language.isoen_USen_US
dc.subjectX-ray absorptionen_US
dc.subjectorbital momentsen_US
dc.subjectMCDen_US
dc.titleOrbital moments of CrO2 and Fe3O4 studied by MCD in soft X-ray absorptionen_US
dc.typeArticle; Proceedings Paperen_US
dc.identifier.doi10.1016/j.elspec.2004.02.058en_US
dc.identifier.journalJOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENAen_US
dc.citation.volume137en_US
dc.citation.issueen_US
dc.citation.spage633en_US
dc.citation.epage639en_US
dc.contributor.department電子物理學系zh_TW
dc.contributor.departmentDepartment of Electrophysicsen_US
dc.identifier.wosnumberWOS:000222251900103-
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