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dc.contributor.authorChang, Shih-Pangen_US
dc.contributor.authorYang, Hung-Chihen_US
dc.contributor.authorLu, Tien-Changen_US
dc.contributor.authorKuo, Hao-Chungen_US
dc.contributor.authorWang, Shing-Chungen_US
dc.date.accessioned2014-12-08T15:15:38Z-
dc.date.available2014-12-08T15:15:38Z-
dc.date.issued2010-04-01en_US
dc.identifier.issn0022-0248en_US
dc.identifier.urihttp://dx.doi.org/10.1016/j.jcrysgro.2009.11.059en_US
dc.identifier.urihttp://hdl.handle.net/11536/11678-
dc.description.abstractThe influence of the LT-GaN nucleation layer on the quality of the GaN template was investigated by the study of the surface morphology of the nucleation layer, and of the crystalline and optical properties of the subsequently grown a-plane GaN template. Both X-ray diffraction and photoluminescence results reveal that better crystalline and optical quality could be obtained using thinner nucleation layer thickness and higher V/III ratio, leading to brighter near band edge luminescence as compared to films grown on lower V/III ratio nucleation layer. Our experiments indicate that reduction in the density of nucleation layer islands can effectively improve the crystalline quality of a-plane GaN template, and the V/III ratio of nucleation layer is a more dominant growth parameter to improve the crystalline and optical quality at the same time. The optimized growth parameters for the nucleation layer in our study are thickness of 10 nm and V/III ratio of 9000. Crown Copyright (C) 2009 Published by Elsevier B.V. All rights reserved.en_US
dc.language.isoen_USen_US
dc.subjectNucleation layeren_US
dc.subjectMOVPEen_US
dc.subjectV/III ratioen_US
dc.subjectGaNen_US
dc.subjectNonpolaren_US
dc.titleInfluence of LT-GaN nucleation layer on the structural and optical properties of MOVPE-grown a-plane GaNen_US
dc.typeArticle; Proceedings Paperen_US
dc.identifier.doi10.1016/j.jcrysgro.2009.11.059en_US
dc.identifier.journalJOURNAL OF CRYSTAL GROWTHen_US
dc.citation.volume312en_US
dc.citation.issue8en_US
dc.citation.spage1307en_US
dc.citation.epage1310en_US
dc.contributor.department光電工程學系zh_TW
dc.contributor.departmentDepartment of Photonicsen_US
dc.identifier.wosnumberWOS:000277039100053-
Appears in Collections:Conferences Paper


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