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Phonon Transport in Isotope-Disordered Carbon and Boron-Nitride Nanotubes: Is Localization Observable?

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dc.contributor.authorSavic, Ivana
dc.contributor.authorMingo, Natalio
dc.contributor.authorStewart, Derek
dc.date.accessioned2014-06-25T15:22:44Z
dc.date.available2014-06-25T15:22:44Z
dc.date.issued2008-10-13
dc.description.abstractWe present an ab initio study which identifies dominant effects leading to thermal conductivity reductions in carbon and boron-nitride nanotubes with isotope disorder. Our analysis reveals that, contrary to previous speculations, localization effects cannot be observed in the thermal conductivity measurements. Observable reduction of the thermal conductivity is mostly due to diffusive scattering. Multiple scattering induced interference effects were found to be prominent for isotope concentrations > 10%; otherwise, the thermal conduction is mainly determined by independent scattering contributions of single isotopes. We give explicit predictions of the effect of isotope disorder on nanotube thermal conductivity that can be directly compared with experiments.en_US
dc.identifier.citationI. Savic, N. Mingo, D. A. Stewart, Phys. Rev. Lett. 101, 165502 (2008)en_US
dc.identifier.otherDOI: 10.1103/PhysRevLett.101.165502
dc.identifier.urihttps://hdl.handle.net/1813/36710
dc.language.isoen_USen_US
dc.publisherAmerican Physical Societyen_US
dc.subjectphononen_US
dc.subjectnanotubeen_US
dc.subjectcarbonen_US
dc.subjectboron nitrideen_US
dc.subjectlocalizationen_US
dc.subjectisotopeen_US
dc.subjectdisorderen_US
dc.subjectdensity functional theoryen_US
dc.subjectGreen's functionen_US
dc.subjectthermal transporten_US
dc.titlePhonon Transport in Isotope-Disordered Carbon and Boron-Nitride Nanotubes: Is Localization Observable?en_US
dc.typearticleen_US

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