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    Enhanced Thermoelectric Power in Graphene: Violation of the Mott Relation by Inelastic Scattering

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    Author
    Ghahari, Fereshte; Xie, Hong-Yi; Taniguchi, Takashi; Watanabe, Kenji; Foster, Matthew S.; More... Kim, Philip Less...
    Date
    2016
    Abstract
    We report the enhancement of the thermoelectric power (TEP) in graphene with extremely low disorder. At high temperature we observe that the TEP is substantially larger than the prediction of the Mott relation, approaching to the hydrodynamic limit due to strong inelastic scattering among the charge carriers. However, closer to room temperature the inelastic carrierヨoptical-phonon scattering becomes more significant and limits the TEP below the hydrodynamic prediction. We support our observation by employing a Boltzmann theory incorporating disorder, electron interactions, and optical phonons.
    Citation
    Ghahari, Fereshte, Xie, Hong-Yi, Taniguchi, Takashi, et al.. "Enhanced Thermoelectric Power in Graphene: Violation of the Mott Relation by Inelastic Scattering." Physical Review Letters, 116, no. 13 (2016) American Physical Society: https://doi.org/10.1103/PhysRevLett.116.136802.
    Published Version
    https://doi.org/10.1103/PhysRevLett.116.136802
    Type
    Journal article
    Publisher
    American Physical Society
    Citable link to this page
    https://hdl.handle.net/1911/94131
    Rights
    Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
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    • Faculty Publications [4990]
    • Physics and Astronomy Publications [1771]

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    Home | FAQ | Contact Us | Privacy Notice | Accessibility Statement
    Managed by the Digital Scholarship Services at Fondren Library, Rice University
    Physical Address: 6100 Main Street, Houston, Texas 77005
    Mailing Address: MS-44, P.O.BOX 1892, Houston, Texas 77251-1892
    Site Map