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Isotope effect in the thermal conductivity of germanium single crystals

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Abstract

The thermal conductivity of chemically, structurally, and isotopically highly pure germanium single crystals is investigated experimentally in the temperature range from 2 to 300 K. It is found that the thermal conductivity of germanium enriched to 99.99% 70Ge is 8 times higher at the maximum than the thermal conductivity of germanium with the natural isotopic composition.

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Authors and Affiliations

  1. Institute of Molecular Physics, “Kurchatov Institute”, Russian Science Center, 123182, Moscow, Russia

    V. I. Ozhogin, A. V. Inyushkin, A. N. Taldenkov, A. V. Tikhomirov & G. É. Popov

  2. University of California at Berkeley and Lawrence Berkeley National Laboratory, Berkeley, California, 94720

    E. Haller & K. Itoh

  3. Department of Instrumentation Engineering, Keio University, Yokohama, 223, Japan

    K. Itoh

Authors
  1. V. I. Ozhogin
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  2. A. V. Inyushkin
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  3. A. N. Taldenkov
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  4. A. V. Tikhomirov
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  5. G. É. Popov
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  6. E. Haller
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  7. K. Itoh
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Additional information

Pis’ma Zh. Éksp. Teor. Fiz. 63, No. 6, 463–467 (25 March 1996)

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Ozhogin, V.I., Inyushkin, A.V., Taldenkov, A.N. et al. Isotope effect in the thermal conductivity of germanium single crystals. Jetp Lett. 63, 490–494 (1996). https://doi.org/10.1134/1.567053

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  • DOI: https://doi.org/10.1134/1.567053

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