Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/3250
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dc.contributorDepartment of Mechanical Engineering-
dc.creatorZheng, G-
dc.creatorZhuang, HL-
dc.date.accessioned2014-12-11T08:27:02Z-
dc.date.available2014-12-11T08:27:02Z-
dc.identifier.issn0003-6951-
dc.identifier.urihttp://hdl.handle.net/10397/3250-
dc.language.isoenen_US
dc.publisherAmerican Institute of Physicsen_US
dc.rights© 2008 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in G. P. Zheng & H. L. Zhuang, Appl. Phys. Lett. 92, 191902 (2008) and may be found at http://apl.aip.org/resource/1/applab/v92/i19/p191902_s1en_US
dc.subjectBand structureen_US
dc.subjectCarbon nanotubesen_US
dc.subjectDensity functional theoryen_US
dc.subjectDuctilityen_US
dc.subjectMagnetomechanical effectsen_US
dc.subjectSolid-state phase transformationsen_US
dc.subjectTensile strengthen_US
dc.subjectVacancies (crystal)en_US
dc.titleEnhanced mechanical strength and ductility of metal-repaired defective carbon nanotubes : a density functional studyen_US
dc.typeJournal/Magazine Articleen_US
dc.description.otherinformationAuthor name used in this publication: G. P. Zhengen_US
dc.identifier.spage1-
dc.identifier.epage3-
dc.identifier.volume92-
dc.identifier.issue19-
dc.identifier.doi10.1063/1.2924275-
dcterms.abstractMetal atoms are filled into the defective sites of single-walled carbon nanotube (SWCN) containing vacancy defects, resulting in a stable repaired SWCN. The tensile deformation of the repaired SWCN is investigated by spin-polarized density functional theory. Compared to the defective SWCN, the repaired CN shows significant enhancements in mechanical strength and ductility that are close to those of pristine CN. The underlying physics of these behaviors are analyzed by the structural transformation, electronic structures, and spin and charge distributions during the tensile tests. A strong magnetomechanical coupling effect is found to be responsible for the enhanced mechanical behaviors of metal-CN hybrid structures.-
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitationApplied physics letters, 12 May, 2008, v. 92, no. 19, 191902, p. 1-3-
dcterms.isPartOfApplied physics letters-
dcterms.issued2008-05-12-
dc.identifier.isiWOS:000256564200020-
dc.identifier.scopus2-s2.0-44049105925-
dc.identifier.eissn1077-3118-
dc.identifier.rosgroupidr38905-
dc.description.ros2007-2008 > 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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