High-conducting magnetic nanowires obtained from uniform titanium-covered carbon nanotubes

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buir.contributor.authorDaǧ, Sefa
buir.contributor.authorDurgun, Engin
buir.contributor.authorÇıracı, Salim
buir.contributor.orcidÇıracı, Salim|0000-0001-8023-9860
dc.citation.epage121407-4en_US
dc.citation.issueNumber12en_US
dc.citation.spage121407-1en_US
dc.citation.volumeNumber69en_US
dc.contributor.authorDaǧ, Sefaen_US
dc.contributor.authorDurgun, Enginen_US
dc.contributor.authorÇıracı, Salimen_US
dc.date.accessioned2016-02-08T10:27:21Z
dc.date.available2016-02-08T10:27:21Z
dc.date.issued2004en_US
dc.departmentDepartment of Physicsen_US
dc.description.abstractWe have shown that a semiconducting single-wall carbon nanotube (SWNT) can be covered uniformly by titanium atoms and form a complex but regular atomic structure. The circular cross section changes to a squarelike form, and the system becomes metallic with high state density at the Fermi level and with high quantum ballistic conductance. Metallicity is induced not only by the metal-metal coupling, but also by the band-gap closing of SWNT's at the corners of the square. Even more interesting is that uniform titanium-covered tubes have magnetic ground state with significant net magnetic moment. Our results have been obtained by the first-principles pseudopotential plane-wave calculations within the density-functional theory.en_US
dc.identifier.issn0163-1829
dc.identifier.urihttp://hdl.handle.net/11693/24306
dc.language.isoEnglishen_US
dc.publisherAmerican Physical Societyen_US
dc.source.titlePhysical Review B - Condensed Matter and Materials Physicsen_US
dc.subjectCarbonen_US
dc.subjectTitaniumen_US
dc.subjectArticleen_US
dc.subjectBallisticsen_US
dc.subjectConductanceen_US
dc.subjectDensity functional theoryen_US
dc.subjectMagnetismen_US
dc.subjectNanotubeen_US
dc.subjectSemiconductoren_US
dc.titleHigh-conducting magnetic nanowires obtained from uniform titanium-covered carbon nanotubesen_US
dc.typeArticleen_US
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