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Imaging Thermoelectric Properties at the Nanoscale

hal.structure.identifierLaboratoire Ondes et Matière d'Aquitaine [LOMA]
dc.contributor.authorGRAUBY, Stéphane
hal.structure.identifierLaboratoire Ondes et Matière d'Aquitaine [LOMA]
dc.contributor.authorBEN AMOR, Aymen
hal.structure.identifierCentre de Nanosciences et de Nanotechnologies [C2N]
dc.contributor.authorHALLAIS, Géraldine
hal.structure.identifierCentre de Nanosciences et de Nanotechnologies [C2N]
dc.contributor.authorVINCENT, Laetitia
hal.structure.identifierLaboratoire Ondes et Matière d'Aquitaine [LOMA]
dc.contributor.authorDILHAIRE, Stefan
dc.date.issued2021-05-01
dc.identifier.issn2079-4991
dc.description.abstractEnBased on our previous experimental AFM set-up specially designed for thermal conductivity measurements at the nanoscale, we have developed and validated a prototype which offers two major advantages. On the one hand, we can simultaneously detect various voltages, providing, at the same time, both thermal and electrical properties (thermal conductivity, electrical conductivity and Seebeck coefficient). On the other hand, the AFM approach enables sufficient spatial resolution to produce images of nanostructures such as nanowires (NWs). After a software and hardware validation, we show the consistency of the signals measured on a gold layer on a silicon substrate. Finally, we demonstrate that the imaging of Ge NWs can be achieved with the possibility to extract physical properties such as electrical conductivity and Seebeck coefficient, paving the way to a quantitative estimation of the figure of merit of nanostructures.
dc.description.sponsorshipPropriétés de la phase hexagonale 2H du Ge et Si - ANR-17-CE30-0014
dc.language.isoen
dc.publisherMDPI
dc.subject.enNanowire
dc.subject.enThermal conductivity
dc.subject.enElectrical conductivity
dc.subject.enImaging
dc.title.enImaging Thermoelectric Properties at the Nanoscale
dc.typeArticle de revue
dc.identifier.doi10.3390/nano11051199
dc.subject.halPhysique [physics]
dc.subject.halSciences de l'ingénieur [physics]
bordeaux.journalNanomaterials
bordeaux.page1199
bordeaux.volume11
bordeaux.issue5
bordeaux.peerReviewedoui
hal.identifierhal-03215364
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-03215364v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Nanomaterials&rft.date=2021-05-01&rft.volume=11&rft.issue=5&rft.spage=1199&rft.epage=1199&rft.eissn=2079-4991&rft.issn=2079-4991&rft.au=GRAUBY,%20St%C3%A9phane&BEN%20AMOR,%20Aymen&HALLAIS,%20G%C3%A9raldine&VINCENT,%20Laetitia&DILHAIRE,%20Stefan&rft.genre=article


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