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Article: Direct observation of a Ga adlayer on a GaN(0001) surface by LEED Patterson inversion

TitleDirect observation of a Ga adlayer on a GaN(0001) surface by LEED Patterson inversion
Authors
Xu, SHWu, HDai, XQLau, WPZheng, LXXie, MHTong, SY
KeywordsPhysics
Issue Date2003
PublisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/
Citation
Physical Review B (Condensed Matter), 2003, v. 67 n. 12, article no. 125409 , p. 1-4 How to Cite?
DOI: http://dx.doi.org/10.1103/PhysRevB.67.125409
AbstractA low-energy electron diffraction (LEED) Patterson function (PF) with multiple incident angles is used to obtain three-dimensional interatomic information of hexagonal GaN(0001) grown on a 6H-SiC(0001)-√3 x √3 surface. A Ga-Ga atomic pair between the Ga adlayer and the terminating Ga layer is observed in the LEED PF. This provides direct experimental evidence to support the structural model proposed by first-principles calculations. The LEED PF also shows that the GaN film has a hexagonal structure and the surface has single-bilayer steps.
Persistent Identifierhttp://hdl.handle.net/10722/43389
ISSN
0163-1829
ISI Accession Number ID
WOS:000182158000092
References
References in Scopus

 

DC FieldValueLanguage
dc.contributor.authorXu, SHen_HK
dc.contributor.authorWu, Hen_HK
dc.contributor.authorDai, XQen_HK
dc.contributor.authorLau, WPen_HK
dc.contributor.authorZheng, LXen_HK
dc.contributor.authorXie, MHen_HK
dc.contributor.authorTong, SYen_HK
dc.date.accessioned2007-03-23T04:44:46Z-
dc.date.available2007-03-23T04:44:46Z-
dc.date.issued2003en_HK
dc.identifier.citationPhysical Review B (Condensed Matter), 2003, v. 67 n. 12, article no. 125409 , p. 1-4-
dc.identifier.issn0163-1829en_HK
dc.identifier.urihttp://hdl.handle.net/10722/43389-
dc.description.abstractA low-energy electron diffraction (LEED) Patterson function (PF) with multiple incident angles is used to obtain three-dimensional interatomic information of hexagonal GaN(0001) grown on a 6H-SiC(0001)-√3 x √3 surface. A Ga-Ga atomic pair between the Ga adlayer and the terminating Ga layer is observed in the LEED PF. This provides direct experimental evidence to support the structural model proposed by first-principles calculations. The LEED PF also shows that the GaN film has a hexagonal structure and the surface has single-bilayer steps.en_HK
dc.format.extent449374 bytes-
dc.format.extent26624 bytes-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypeapplication/msword-
dc.languageengen_HK
dc.publisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/en_HK
dc.relation.ispartofPhysical Review B (Condensed Matter)-
dc.rightsCopyright 2003 by The American Physical Society. This article is available online at https://doi.org/10.1103/PhysRevB.67.125409-
dc.subjectPhysicsen_HK
dc.titleDirect observation of a Ga adlayer on a GaN(0001) surface by LEED Patterson inversionen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1098-0121&volume=67&issue=12&spage=125409:1&epage=4&date=2003&atitle=Direct+observation+of+a+Ga+adlayer+on+a+GaN(0001)+surface+by+LEED+Patterson+inversionen_HK
dc.identifier.emailWu, H: hswu@hkucc.hku.hken_HK
dc.identifier.emailXie, MH: mhxie@hku.hken_HK
dc.identifier.authorityWu, H=rp00813en_HK
dc.identifier.authorityXie, MH=rp00818en_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1103/PhysRevB.67.125409en_HK
dc.identifier.scopuseid_2-s2.0-0038558145en_HK
dc.identifier.hkuros77193-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0038558145&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume67en_HK
dc.identifier.issue12en_HK
dc.identifier.spagearticle no. 125409, p. 1-
dc.identifier.epagearticle no. 125409, p. 4-
dc.identifier.isiWOS:000182158000092-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridXu, SH=36832008600en_HK
dc.identifier.scopusauthoridWu, H=7405584367en_HK
dc.identifier.scopusauthoridDai, XQ=55237280400en_HK
dc.identifier.scopusauthoridLau, WP=7402933207en_HK
dc.identifier.scopusauthoridZheng, LX=7403405881en_HK
dc.identifier.scopusauthoridXie, MH=7202255416en_HK
dc.identifier.scopusauthoridTong, SY=24512624800en_HK
dc.identifier.issnl0163-1829-

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