Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/4854
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dc.contributorDepartment of Electronic and Information Engineering-
dc.creatorGuo, W-
dc.creatorZhu, CZ-
dc.creatorYu, TX-
dc.creatorWoo, CH-
dc.creatorZhang, B-
dc.creatorDai, YT-
dc.date.accessioned2014-12-11T08:24:53Z-
dc.date.available2014-12-11T08:24:53Z-
dc.identifier.issn0031-9007-
dc.identifier.urihttp://hdl.handle.net/10397/4854-
dc.language.isoenen_US
dc.publisherAmerican Physical Societyen_US
dc.rightsPhysical Review Letters © 2004 The American Physical Society. The Journal's web site is located at http://prl.aps.org/en_US
dc.subjectBondingen_US
dc.subjectBoundary conditionsen_US
dc.subjectCarbon nanotubesen_US
dc.subjectCompressive strengthen_US
dc.subjectCompressive stressen_US
dc.subjectDiamondsen_US
dc.subjectElectric resistanceen_US
dc.subjectGraphiteen_US
dc.subjectHardnessen_US
dc.subjectIndentationen_US
dc.subjectMolecular dynamicsen_US
dc.subjectPhase transitionsen_US
dc.subjectPressure effectsen_US
dc.subjectRaman scatteringen_US
dc.subjectSingle crystalsen_US
dc.titleFormation of sp³ bonding in nanoindented carbon nanotubes and graphiteen_US
dc.typeJournal/Magazine Articleen_US
dc.description.otherinformationAuthor name used in this publication: C. H. Wooen_US
dc.identifier.spage1-
dc.identifier.epage4-
dc.identifier.volume93-
dc.identifier.issue24-
dc.identifier.doi10.1103/PhysRevLett.93.245502-
dcterms.abstractNanoindentation-induced interlayer bond switching and phase transformation in carbon nanotubes (CNTs) and graphite are simulated by molecular dynamics. Both graphite and CNTs experience a soft-to-hard phase transformation at room temperature at compressive stresses of 12 and 16 GPa, respectively. Further penetration leads to the formation of interlayer sp³ bonds, which are reversible upon unloading if the compressive stress is under about 70 GPa, beyond which permanent interlayer sp³ bonds form. During nanoindentation, the maximum nanohardness of graphite can reach 109 GPa, and CNTs 120 GPa, which is comparable to that of diamond.-
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitationPhysical review letters, 10 Dec. 2004, v. 93, no. 24, 245502, p. 1-4-
dcterms.isPartOfPhysical review letters-
dcterms.issued2004-12-10-
dc.identifier.isiWOS:000225661100041-
dc.identifier.scopus2-s2.0-37649032695-
dc.identifier.eissn1079-7114-
dc.identifier.rosgroupidr21394-
dc.description.ros2004-2005 > Academic research: refereed > Publication in refereed journal-
dc.description.oaVersion of Recorden_US
dc.identifier.FolderNumberOA_IR/PIRAen_US
dc.description.pubStatusPublisheden_US
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