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Giant thermoelectric power of (La, Ce)Al2

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Abstract

We have measured the thermoelectric power of LaAl2 and of (La, Ce)Al2 alloys between 0.3 and 9 K. A large, negative peak caused by the Kondo effect of the Ce impurities has been observed at about 1 K. The peak value of about −16 µV/K obtained from the Nordheim-Gorter rule suggestsV=+0.05 eV andJ=−0.11 eV for the interaction energies of the potential and exchange scattering of the conduction electrons by the Ce impurities.

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Authors and Affiliations

  1. II. Physikalisches Institut der Universität zu Köln, West Germany

    J. H. Moeser, F. Steglich & G. v. Minnigerode

Authors
  1. J. H. Moeser
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  2. F. Steglich
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  3. G. v. Minnigerode
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Research sponsored by the Deutsche Forschungsgemeinschaft.

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Moeser, J.H., Steglich, F. & v. Minnigerode, G. Giant thermoelectric power of (La, Ce)Al2 . J Low Temp Phys 15, 91–98 (1974). https://doi.org/10.1007/BF00655628

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  • DOI: https://doi.org/10.1007/BF00655628

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