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Article: Modification of zigzag graphene nanoribbons by patterning vacancies

TitleModification of zigzag graphene nanoribbons by patterning vacancies
Authors
KeywordsModification
ZGNR
Transport property
Vacancy patterns
Issue Date2012
Citation
Wuli Xuebao/Acta Physica Sinica, 2012, v. 61, n. 13 How to Cite?
AbstractThe transport properties of zigzag graphene nanoribbons (ZGNRs) with different patterns of vacancies are investigated by using the density functional theory and nonequilibrium Green's function (NEGF) formalism. It is found that the transport properties vary with lattice type vacancy. For two vacancies, A-B type vacancies have the most significant influence on the conductance of ZGNRs, while A-A type vacancies have the most slightly influence on the conductance. More importantly, the pattern of vacancies has enormous influence on electron transport around the Femi energy. As hexagon carbons are removed, the ZGNRs will be modified, changing from metallic to semiconducting. This lays the theoretical foundation for tuning the electron properties of ZGNRs by patterning vacancies. © Chinese Physical Society.
Persistent Identifierhttp://hdl.handle.net/10722/213255
ISSN
2015 Impact Factor: 0.677
2015 SCImago Journal Rankings: 0.156

 

DC FieldValueLanguage
dc.contributor.authorZhang, Yu-
dc.contributor.authorLiu, Lian Qing-
dc.contributor.authorJiao, Nian Dong-
dc.contributor.authorXi, Ning-
dc.contributor.authorWang, Yue Chao-
dc.contributor.authorDong, Zai Li-
dc.date.accessioned2015-07-28T04:06:41Z-
dc.date.available2015-07-28T04:06:41Z-
dc.date.issued2012-
dc.identifier.citationWuli Xuebao/Acta Physica Sinica, 2012, v. 61, n. 13-
dc.identifier.issn1000-3290-
dc.identifier.urihttp://hdl.handle.net/10722/213255-
dc.description.abstractThe transport properties of zigzag graphene nanoribbons (ZGNRs) with different patterns of vacancies are investigated by using the density functional theory and nonequilibrium Green's function (NEGF) formalism. It is found that the transport properties vary with lattice type vacancy. For two vacancies, A-B type vacancies have the most significant influence on the conductance of ZGNRs, while A-A type vacancies have the most slightly influence on the conductance. More importantly, the pattern of vacancies has enormous influence on electron transport around the Femi energy. As hexagon carbons are removed, the ZGNRs will be modified, changing from metallic to semiconducting. This lays the theoretical foundation for tuning the electron properties of ZGNRs by patterning vacancies. © Chinese Physical Society.-
dc.languageeng-
dc.relation.ispartofWuli Xuebao/Acta Physica Sinica-
dc.subjectModification-
dc.subjectZGNR-
dc.subjectTransport property-
dc.subjectVacancy patterns-
dc.titleModification of zigzag graphene nanoribbons by patterning vacancies-
dc.typeArticle-
dc.description.natureLink_to_subscribed_fulltext-
dc.identifier.scopuseid_2-s2.0-84864386281-
dc.identifier.volume61-
dc.identifier.issue13-

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