Physics of the Solid State
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Effect of van Hove singularities on thermoelectric properties of graphene
Davydov S. Yu.1
1Ioffe Institute, St. Petersburg, Russia
Email: Sergei_Davydov@mail.ru

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Using the model density of states of free-standing graphene single-sheet graphene, it is shown that van Hove singularities cause divergences of the Seebeck coefficient and the thermoelectric power factor. The results obtained for free-standing graphene are generalized to the case of epitaxial (encapsulated) graphene. Numerical estimates are given for substrates (plates) representing SiC polytypes. Keywords: electrical conductivity, Seebeck coefficient, thermoelectric power factor, epigraphen, SiC polytypes.
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