Phonon scattering in graphene over substrate steps
| dc.contributor.author | Sevinçli, Haldun | |
| dc.contributor.author | Brandbyge, Mads | |
| dc.coverage.doi | 10.1063/1.4898066 | |
| dc.date.accessioned | 2017-04-25T11:19:31Z | |
| dc.date.available | 2017-04-25T11:19:31Z | |
| dc.date.issued | 2014 | |
| dc.description.abstract | We calculate the effect on phonon transport of substrate-induced bends in graphene. We consider bending induced by an abrupt kink in the substrate, and provide results for different step-heights and substrate interaction strengths. We find that individual substrate steps reduce thermal conductance in the range between 5% and 47%. We also consider the transmission across linear kinks formed by adsorption of atomic hydrogen at the bends and find that individual kinks suppress thermal conduction substantially, especially at high temperatures. Our analysis show that substrate irregularities can be detrimental for thermal conduction even for small step heights. | en_US |
| dc.description.sponsorship | Danish Council for Independent Research (0602-02477B-FTP); TUBITAK (BIDEB-113C032) | en_US |
| dc.identifier.citation | Sevinçli, H., and Brandbyge, M. (2014). Phonon scattering in graphene over substrate steps. Applied Physics Letters, 105(15), doi:10.1063/1.4898066 | en_US |
| dc.identifier.doi | 10.1063/1.4898066 | |
| dc.identifier.doi | 10.1063/1.4898066 | en_US |
| dc.identifier.issn | 0003-6951 | |
| dc.identifier.issn | 1077-3118 | |
| dc.identifier.scopus | 2-s2.0-84908042432 | |
| dc.identifier.uri | https://doi.org/10.1063/1.4898066 | |
| dc.identifier.uri | https://hdl.handle.net/11147/5397 | |
| dc.language.iso | en | en_US |
| dc.publisher | American Institute of Physics | en_US |
| dc.relation | info:eu-repo/grantAgreement/TUBITAK/BIDEB/113C032 | en_US |
| dc.relation.ispartof | Applied Physics Letters | en_US |
| dc.rights | info:eu-repo/semantics/openAccess | en_US |
| dc.subject | Graphene | en_US |
| dc.subject | Phonons | en_US |
| dc.subject | Thermal conduction | en_US |
| dc.subject | Bending | en_US |
| dc.subject | Adsorption | en_US |
| dc.title | Phonon scattering in graphene over substrate steps | en_US |
| dc.type | Article | en_US |
| dspace.entity.type | Publication | |
| gdc.author.institutional | Sevinçli, Haldun | |
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| gdc.description.department | İzmir Institute of Technology. Materials Science and Engineering | en_US |
| gdc.description.issue | 15 | en_US |
| gdc.description.publicationcategory | Makale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı | en_US |
| gdc.description.scopusquality | Q1 | |
| gdc.description.volume | 105 | en_US |
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| gdc.oaire.keywords | Bending | |
| gdc.oaire.keywords | Phonons | |
| gdc.oaire.keywords | Adsorption | |
| gdc.oaire.keywords | Graphene | |
| gdc.oaire.keywords | Thermal conduction | |
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