Giant thermoelectric power of (La, Ce) Al2

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

doi:10.1007/BF00655628

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Giant thermoelectric power of (La, Ce) Al₂

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Moeser, J. H., Steglich, F., & Minnigerode, G. v. (1974). Giant thermoelectric power of (La, Ce) Al₂. Journal of Low Temperature Physics, 15(1-2), 91-98. doi:10.1007/BF00655628.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0019-BF51-4

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.