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dc.contributor.authorCarrete, Jesús
dc.contributor.authorWu, Li
dc.contributor.authorLindsay, Lucas
dc.contributor.authorBroido, David A.
dc.contributor.authorGallego del Hoyo, Luis Javier
dc.contributor.authorMingo, Natalio
dc.date.accessioned2020-06-05T18:03:32Z
dc.date.available2020-06-05T18:03:32Z
dc.date.issued2016
dc.identifier.citationJesús Carrete, Wu Li, Lucas Lindsay, David A. Broido, Luis J. Gallego & Natalio Mingo (2016) Physically founded phonon dispersions of few-layer materials and the case of borophene, Materials Research Letters, 4:4, 204-211, DOI: 10.1080/21663831.2016.1174163
dc.identifier.issn2166-3831
dc.identifier.urihttp://hdl.handle.net/10347/22790
dc.description.abstractBy building physically sound interatomic force constants, we offer evidence of the universal presence of a quadratic phonon branch in all unstrained 2D materials, thus contradicting much of the existing literature. Through a reformulation of the interatomic force constants (IFCs) in terms of internal coordinates, we find that a delicate balance between the IFCs is responsible for this quadraticity. We use this approach to predict the thermal conductivity of Pmmn borophene, which is comparable to that of , and displays a remarkable in-plane anisotropy. These qualities may enable the efficient heat management of borophene devices in potential nanoelectronic applications.
dc.description.sponsorshipThis work has been partly supported by the Air Force Office of Sponsored Research [grant number FA9550-15-1-0187], the European Union’s Horizon 2020 Research and Innovation Programme [grant number 645776 (ALMA)], ANR Carnot SIEVE, and the M-Era program through project ICETS. L.J.G. acknowledges the support provided by the Spanish Ministry of Economy and Competitiveness [Project FIS2012-33126] and by the Xunta de Galicia [AGRUP2015/11], in conjunction with the European Regional Development Fund (FEDER). L.L. acknowledges support from the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences, Materials Sciences and Engineering Division for work done at ORNL. D.A.B. acknowledges support fromthe NSF EFRI 2-DARE program [grant number 1402949] and from ONR [grant number N00014-13-1-0234]
dc.language.isoeng
dc.publisherTaylor & Francis
dc.relationinfo:eu-repo/grantAgreement/EC/H2020/645776
dc.rights© 2016 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subject2D
dc.subjectThermal Transport
dc.subjectBorophene
dc.subjectNanomaterials
dc.subjectPhonons
dc.titlePhysically founded phonon dispersions of few-layer materials and the case of borophene
dc.typeinfo:eu-repo/semantics/article
dc.identifier.DOI10.1080/21663831.2016.1174163
dc.relation.publisherversionhttps://doi.org/10.1080/21663831.2016.1174163
dc.type.versioninfo:eu-repo/semantics/publishedVersion
dc.rights.accessrightsinfo:eu-repo/semantics/openAccess
dc.contributor.affiliationUniversidade de Santiago de Compostela. Departamento de Física de Partículas
dc.description.peerreviewedSI


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© 2016 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited
Except where otherwise noted, this item's license is described as  © 2016 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited





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