The power factor of Cr-doped V2O3 near the Mott transition - art. no. 171902

[摘要]：We have measured the Seebeck coefficient, S, of nominally 1.1% Cr doped V2O3 as a function of both temperature and pressure. Large variations of S are found at the Mott insulator-metal transition. A combination of our data with resistivity data allows us to estimate the power factor. Contrary to thermopower and resistivity, the power factor is not strongly modified upon crossing the first order phase transition. Such a behavior is in sharp contrast with standard semiconductors. (C) 2011 American Institute of Physics. [doi:10.1063/1.3655993]

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