Abstract
The thermoelectric properties of the multicomponent solid solutions Bi2−x SbxTe3−y−z SeySz with substitutions of atoms in both sublattices of Bi2Te3 were studied. The data obtained in studies of the galvanomagnetic effects in weak magnetic fields were used to properly take into account the change in the carrier scattering mechanisms due to the substitutions Sb → Bi, Se, and S → Te in the solid solutions. The mobility μ0 with inclusion of the degeneracy, the effective density-of-states mass m/m 0, and the lattice thermal conductivity κL were calculated. An analysis was carried out for the quantities μ0, m/m 0, and κL in the solid solutions under study as functions of the composition, carrier concentration, and temperature.
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Original Russian Text © L.N. Luk’yanova, V.A. Kutasov, P.P. Konstantinov, V.V. Popov, 2006, published in Fizika Iverdogo Tela, 2006, Vol. 48, No. 10, pp. 1751–1756.
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Luk’yanova, L.N., Kutasov, V.A., Konstantinov, P.P. et al. Specific features in the behavior of the effective mass and mobility in n-(Bi, Sb)2(Te, Se, S)3 solid solutions. Phys. Solid State 48, 1856–1862 (2006). https://doi.org/10.1134/S1063783406100052
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DOI: https://doi.org/10.1134/S1063783406100052