Reversible band-gap engineering in carbon nanotubes by radial deformation

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buir.contributor.authorÇıracı, Salim
buir.contributor.orcidÇıracı, Salim|0000-0001-8023-9860
dc.citation.epage155410-7en_US
dc.citation.issueNumber15en_US
dc.citation.spage155410-1en_US
dc.citation.volumeNumber65en_US
dc.contributor.authorGülseren, O.en_US
dc.contributor.authorYildirim, T.en_US
dc.contributor.authorÇıracı, Salimen_US
dc.contributor.authorKılıç, Ç.en_US
dc.date.accessioned2019-02-05T07:58:23Z
dc.date.available2019-02-05T07:58:23Z
dc.date.issued2002-03en_US
dc.departmentDepartment of Physicsen_US
dc.description.abstractWe present a systematic analysis of the effect of radial deformation on the atomic and electronic structure of zigzag and armchair single wall carbon nanotubes using the first-principle plane wave method. The nanotubes were deformed by applying a radial strain, which distorts the circular cross section to an elliptical one. The atomic structure of the nanotubes under this strain are fully optimized, and the electronic structure is calculated self-consistently to determine the response of individual bands to the radial deformation. The band gap of the insulating tube is closed and eventually an insulator-metal transition sets in by the radial strain which is in the elastic range. Using this property a multiple quantum well structure with tunable and reversible electronic structure is formed on an individual nanotube and its band lineup is determined from first principles. The elastic energy due to the radial deformation and elastic constants are calculated and compared with classical theories.en_US
dc.description.provenanceSubmitted by Mustafa Er (mer@bilkent.edu.tr) on 2019-02-05T07:58:23Z No. of bitstreams: 1 Reversible band - gap engineering in carbon nanotubes by radial deformation.pdf: 520581 bytes, checksum: b5baa8ea6aeefbe79d604cc88b61bc20 (MD5)en
dc.description.provenanceMade available in DSpace on 2019-02-05T07:58:23Z (GMT). No. of bitstreams: 1 Reversible band - gap engineering in carbon nanotubes by radial deformation.pdf: 520581 bytes, checksum: b5baa8ea6aeefbe79d604cc88b61bc20 (MD5) Previous issue date: 2002-03en
dc.identifier.doi10.1103/PhysRevB.65.155410en_US
dc.identifier.eissn1550-235X
dc.identifier.issn1098-0121
dc.identifier.urihttp://hdl.handle.net/11693/48857en_US
dc.language.isoEnglishen_US
dc.publisherAmerican Physical Societyen_US
dc.relation.isversionofhttps://doi.org/10.1103/PhysRevB.65.155410en_US
dc.source.titlePhysical Review B - Condensed Matter and Materials Physicsen_US
dc.subjectPhysicsen_US
dc.titleReversible band-gap engineering in carbon nanotubes by radial deformationen_US
dc.typeArticleen_US

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