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Structural and electrical properties of layered tetradymite-like compounds in the GeTe—Bi2Te3 and GeTe—Sb2Te3 systems

  • Devoted to the 100th Anniversary of Academician A. V. Novoselova
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Inorganic Materials Aims and scope

Abstract

Analysis of the available crystallographic data shows that the GeTe-Bi2Te3 and GeTe-Sb2Te3 pseudobinary systems contain a wide variety of many-layered, long-period compounds belonging to the nGeTe · mBi2Te3 and nGeTe · mSb2Te3 homologous series. The Hall coefficient, thermoelectric power, and electrical conductivity of some of these compounds were measured over a wide temperature range. The temperature-dependent carrier mobility data suggest that both acoustic phonons and point defects contribute to the scattering of charge carriers. The lattice thermal conductivity of the many-layered, long-period compounds studied, κph = 6–8 mW/(cm K), is notably lower than that of the constituent tellurides

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Authors and Affiliations

  1. Baikov Institute of Metallurgy and Materials Research, Russian Academy of Sciences, Leninskii pr. 49, 117334, Moscow, Russia

    L. E. Shelimova, O. G. Karpinskii & V. S. Zemskov

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

    P. P. Konstantinov

Authors
  1. L. E. Shelimova
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  2. O. G. Karpinskii
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  3. V. S. Zemskov
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  4. P. P. Konstantinov
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Shelimova, L.E., Karpinskii, O.G., Zemskov, V.S. et al. Structural and electrical properties of layered tetradymite-like compounds in the GeTe—Bi2Te3 and GeTe—Sb2Te3 systems. Inorg Mater 36, 235–242 (2000). https://doi.org/10.1007/BF02757928

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  • DOI: https://doi.org/10.1007/BF02757928

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