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Thermoelectric Properties of (Bi2Te3)1 − x − y (Sb2Te3) x (Sb2Se3) y Single Crystals

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Abstract

Homogeneous and graded n- and p-type (Bi2Te3)1 − x − y (Sb2Te3) x (Sb2Se3) y crystals are grown by the Czochralski technique with melt supply through a floating crucible. The dimensionless thermoelectric figure of merit of the n- and p-type crystals is ZT = 1.1 (350 K) and 1.0 (375 K), respectively. It is shown that (Bi2Te3)1 − x − y (Sb2Te3) x (Sb2Se3) y pseudoternary solid solutions can be used to produce monolithic n- and p- type graded and segmented thermoelectric materials by Czochralski growth. The thermoelectric power distribution across the seed-crystal interface is studied using scanning hot microprobe measurements.

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Authors and Affiliations

  1. Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences, Leninskii pr. 49, Moscow, 119991, Russia

    T. E. Svechnikova, L. E. Shelimova, M. A. Kretova, E. S. Avilov & V. S. Zemskov

  2. Ioffe Physicotechnical Institute, Russian Academy of Sciences, Politekhnicheskaya ul. 26, St. Petersburg, 194021, Russia

    P. P. Konstantinov

  3. Institute of Materials Research, German Aerospace Center DLR, D-51170, Koln, Germany

    C. Stiewe, A. Zuber & E. Muller

Authors
  1. T. E. Svechnikova
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  2. L. E. Shelimova
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  3. P. P. Konstantinov
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  4. M. A. Kretova
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  5. E. S. Avilov
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  6. V. S. Zemskov
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  7. C. Stiewe
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  8. A. Zuber
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  9. E. Muller
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__________

Translated from Neorganicheskie Materialy, Vol. 41, No. 10, 2005, pp. 1186–1193.

Original Russian Text Copyright © 2005 by Svechnikova, Shelimova, Konstantinov, Kretova, Avilov, Zemskov, Stiewe, Zuber, Muller.

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Svechnikova, T.E., Shelimova, L.E., Konstantinov, P.P. et al. Thermoelectric Properties of (Bi2Te3)1 − x − y (Sb2Te3) x (Sb2Se3) y Single Crystals. Inorg Mater 41, 1043–1049 (2005). https://doi.org/10.1007/s10789-005-0258-y

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  • DOI: https://doi.org/10.1007/s10789-005-0258-y

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