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    Enhanced thermoelectric power in ultrathin topological insulators with magnetic doping

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    Type
    Article
    Authors
    Tahir, Muhammad
    Manchon, Aurelien cc
    Schwingenschlögl, Udo cc
    KAUST Department
    Computational Physics and Materials Science (CPMS)
    Material Science and Engineering Program
    Physical Science and Engineering (PSE) Division
    Spintronics Theory Group
    Date
    2014-09-07
    Permanent link to this record
    http://hdl.handle.net/10754/346979
    
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    Abstract
    We derive analytical expressions for the magnetic moment and orbital magnetization as well as for the corresponding thermal conductivity and thermoelectric power of a topological insulator film. We demonstrate enhancement of the thermoelectric transport for decreasing film thickness and for application of an exchange field due to the tunable band gap. Combining hybridization and exchange field is particularly suitable for heat to electric energy conversion and thermoelectric cooling.
    Citation
    Enhanced thermoelectric power in ultrathin topological insulators with magnetic doping 2014, 116 (9):093708 Journal of Applied Physics
    Publisher
    AIP Publishing
    Journal
    Journal of Applied Physics
    DOI
    10.1063/1.4894283
    Additional Links
    http://scitation.aip.org/content/aip/journal/jap/116/9/10.1063/1.4894283
    ae974a485f413a2113503eed53cd6c53
    10.1063/1.4894283
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division; Spintronics Theory Group; Material Science and Engineering Program; Computational Physics and Materials Science (CPMS)

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