Depth-resolved optical studies of excitonic and phonon-assisted transitions in ZnO epilayers

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dc.contributor.authorCho, Yong-Hoonko
dc.contributor.authorKim, JYko
dc.contributor.authorKwack, HSko
dc.contributor.authorKwon, BJko
dc.contributor.authorDang, LSko
dc.contributor.authorKo, HJko
dc.contributor.authorYao, Tko
dc.date.accessioned2013-03-08T00:23:10Z-
dc.date.available2013-03-08T00:23:10Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2006-11-
dc.identifier.citationAPPLIED PHYSICS LETTERS, v.89, pp.1681 - 1688-
dc.identifier.issn0003-6951-
dc.identifier.urihttp://hdl.handle.net/10203/91593-
dc.description.abstractThe authors report depth-resolved optical properties of excitonic and phonon-assisted transitions in ZnO epilayers by photoluminescence (PL) and cathodoluminescence. A weaker free exciton (FX) emission than its first longitudinal optical phonon replica (FX-1LO) is observed at elevated temperatures (T > 150 K) for interior area, while a stronger FX than FX-1LO is seen at all temperatures for top surface area of the sample. The authors exclude out a possible self-absorption process by PL excited at back surface of the sample. Therefore, the authors conclude that the different intensity ratios of FX and FX-1LO depending on the sample depth are strongly associated with extrinsic features of ZnO. (c) 2006 American Institute of Physics.-
dc.languageEnglish-
dc.publisherAMER INST PHYSICS-
dc.subjectMOLECULAR-BEAM EPITAXY-
dc.subjectPHOTOLUMINESCENCE-
dc.subjectEMISSION-
dc.titleDepth-resolved optical studies of excitonic and phonon-assisted transitions in ZnO epilayers-
dc.typeArticle-
dc.identifier.wosid000242100200025-
dc.identifier.scopusid2-s2.0-33751102112-
dc.type.rimsART-
dc.citation.volume89-
dc.citation.beginningpage1681-
dc.citation.endingpage1688-
dc.citation.publicationnameAPPLIED PHYSICS LETTERS-
dc.identifier.doi10.1063/1.2388252-
dc.contributor.localauthorCho, Yong-Hoon-
dc.contributor.nonIdAuthorKim, JY-
dc.contributor.nonIdAuthorKwack, HS-
dc.contributor.nonIdAuthorKwon, BJ-
dc.contributor.nonIdAuthorDang, LS-
dc.contributor.nonIdAuthorKo, HJ-
dc.contributor.nonIdAuthorYao, T-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordPlusMOLECULAR-BEAM EPITAXY-
dc.subject.keywordPlusPHOTOLUMINESCENCE-
dc.subject.keywordPlusEMISSION-
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