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Thermoelectric Properties of the Clathrate I Ba8Ge43□3

Journal of Electronic Materials volume 39, pages 2039–2042 (2010)Cite this article

The clathrate I Ba8Ge43□3 [space group \( Ia\bar{3}d \), no. 230, a = 21.307(1) Å] has been synthesized as a single phase and characterized by x-ray powder diffraction and metallographic analysis. Electrical and thermal transport measurements have been performed in the temperature range of 5 K to 673 K. Ba8Ge43□3 displays the electrical resistivity of a poor metal at low temperatures, with semiconducting-like behavior appearing above 300 K.

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Acknowledgements

We thank R. Hempel-Weber for ZEM 3 measurements and the competence groups Structure and Metallography at MPI CPfS. C. Candolfi acknowledges financial support from the CNRS-MPG program.

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Authors and Affiliations

  1. Max-Planck-Institut für Chemische Physik fester Stoffe, Nöthnitzer Str. 40, 01187, Dresden, Germany

    C. Candolfi, U. Aydemir, M. Baitinger, N. Oeschler, F. Steglich & Yu. Grin

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  1. C. Candolfi
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  2. U. Aydemir
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  3. M. Baitinger
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  4. N. Oeschler
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  5. F. Steglich
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  6. Yu. Grin
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Correspondence to C. Candolfi.

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Open Access This is an open access article distributed under the terms of the Creative Commons Attribution Noncommercial License (https://creativecommons.org/licenses/by-nc/2.0), which permits any noncommercial use, distribution, and reproduction in any medium, provided the original author(s) and source are credited.

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Candolfi, C., Aydemir, U., Baitinger, M. et al. Thermoelectric Properties of the Clathrate I Ba8Ge43□3 . J. Electron. Mater. 39, 2039–2042 (2010). https://doi.org/10.1007/s11664-009-1011-0

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  • DOI: https://doi.org/10.1007/s11664-009-1011-0

Keywords

  • Ba8Ge43
  • clathrate I
  • defects
  • transport properties