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Thermoelectric properties and nonstoichiometry of GaGeTe

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216275%3A25310%2F12%3A39895381" target="_blank" >RIV/00216275:25310/12:39895381 - isvavai.cz</a>

  • Alternative codes found

    RIV/61389013:_____/12:00380725

  • Result on the web

    <a href="http://www.sciencedirect.com/science/article/pii/S0022459612001958" target="_blank" >http://www.sciencedirect.com/science/article/pii/S0022459612001958</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1016/j.jssc.2012.03.030" target="_blank" >10.1016/j.jssc.2012.03.030</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Thermoelectric properties and nonstoichiometry of GaGeTe

  • Original language description

    Polycrystalline samples of composition Ga(1+x)Ge(1-x)Te (x from -0.03 to 0.07) and GaGeTe(1-y) (y from -0.02 to 0.02) were synthesized from elements of 5 N purity using a solid state reaction. The products of synthesis were identified by X-ray diffraction: phase purity and microstructure were examined by EDX/SEM. Samples for measurement of transport properties were prepared using hot-pressing. They were characterized by measurement of electrical conductivity, the Hall coefficient, and the Seebeck coefficient over a temperature range 80-480 K and of thermal conductivity over a temperature range 300-580 K. All samples show p-type conductivity. We discuss the influence of stoichiometry on the phase purity of the samples and on free carrier concentration.The investigation of thermoelectric properties shows that the power factor of these samples is low compared to state-of-the-art materials at room temperature but increases distinctly with temperature.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    BM - Solid-state physics and magnetism

  • OECD FORD branch

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2012

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Journal of Solid State Chemistry

  • ISSN

    0022-4596

  • e-ISSN

  • Volume of the periodical

    193

  • Issue of the periodical within the volume

    SI

  • Country of publishing house

    GB - UNITED KINGDOM

  • Number of pages

    5

  • Pages from-to

    42-46

  • UT code for WoS article

    000308047800009

  • EID of the result in the Scopus database