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Heat conduction across a solid-solid interface: Understanding nanoscale interfacial effects on thermal resistance

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dc.contributorVirginia Techen
dc.contributor.authorBalasubramanian, Ganeshen
dc.contributor.authorPuri, Ishwar K.en
dc.contributor.departmentBiomedical Engineering and Mechanicsen
dc.date.accessed2014-01-10en
dc.date.accessioned2014-01-21T19:28:02Zen
dc.date.available2014-01-21T19:28:02Zen
dc.date.issued2011-07-01en
dc.description.abstractPhonons scatter and travel ballistically in systems smaller than the phonon mean free path. At larger lengths, the transport is instead predominantly diffusive. We employ molecular dynamics simulations to describe the length dependence of the thermal conductivity. The simulations show that the interfacial thermal resistance R-k for a Si-Ge superlattice is inversely proportional to its length, but reaches a constant value as the system dimension becomes larger than the phonon mean free path. This nanoscale effect is incorporated into an accurate continuum model by treating the interface as a distinct material with an effective thermal resistance equal to R-k. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3607477]en
dc.format.mimetypeapplication/pdfen
dc.identifier.citationBalasubramanian, Ganesh; Puri, Ishwar K., "Heat conduction across a solid-solid interface: Understanding nanoscale interfacial effects on thermal resistance," Appl. Phys. Lett. 99, 013116 (2011); http://dx.doi.org/10.1063/1.3607477en
dc.identifier.doihttps://doi.org/10.1063/1.3607477en
dc.identifier.issn0003-6951en
dc.identifier.urihttp://hdl.handle.net/10919/24916en
dc.identifier.urlhttp://scitation.aip.org/content/aip/journal/apl/99/1/10.1063/1.3607477en
dc.language.isoen_USen
dc.publisherAIP Publishingen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectMolecular dynamicsen
dc.subjectKapitza resistanceen
dc.subjectNanostructuresen
dc.subjectSimulationen
dc.subjectTransporten
dc.subjectSystemsen
dc.subjectPhysicsen
dc.titleHeat conduction across a solid-solid interface: Understanding nanoscale interfacial effects on thermal resistanceen
dc.title.serialApplied Physics Lettersen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten

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