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  Thermovoltaic Effect in Polycrystalline Samarium Sulfide

Thermovoltaic Effect in Polycrystalline Samarium Sulfide

V. V. Kaminskiy, V. A. Didik, M. M. Kazanin, M. V. Romanova, and S. M. Solov'ev

Ioffe Physical-Technical Institute, Russian Academy of Sciences, St. Petersburg, 194021 Russia

Received May 26, 2009

Abstract-A thermovoltaic effect has been observed for the first time in a polycrystalline sample of samarium sulfide (SmS) with artificially created concentration gradient of excess (overstoichiometric) samarium ions, in which an electric voltage of 12-22.5 mV was generated in a temperature interval of 370-485 K. It is shown that the specific voltage generation in SmS due to the thermovoltaic effect can be observed in a temperature range of 100-1800 K.

PACS numbers: 72.15.Jf, 73.40.Sx, 68.35.Fx

DOI: 10.1134/S1063785009110030




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