This article is cited in 3 papers

Semiconductors

Thermoelectric properties of TmTe under pressure up to 20 GPa

N. N. Stepanov^a, V. V. Shchennikov^b, N. V. Morozova^b, V. V. Kaminskii^a, A. V. Golubkov<sup>a

a</sup> Ioffe Institute, St. Petersburg
^b Institute of Metal Physics, Ural Branch of the Russian Academy of Sciences, Ekaterinburg

Abstract: The effect of quasi-hydrostatic pressure up to 20 GPa on thermopower of single-crystal samples of thulium monotelluride and monosulfide was studied. The pressure dependences of the thermopower of thulium monotelluride were found to have features in pressure regions of 2 and 6 GPa, which can be associated with phase transitions to the cation mixed-valence state and tetragonal structure, respectively. The upper pressure boundary of stability of the thulium ion mixed-valence state in monotelluride was evaluated by comparing the pressure dependences of the thermopower of TmTe and TmS.

Received: 11.11.2013

 English version: Physics of the Solid State, 2014, 56:5, 937–940

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