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Schlagwörter:
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Zusammenfassung:
The low-temperature behavior of the resistivity, thermal conductivity and thermoelectric power (TEP) is compared for three Kondo lattices, i.e. antiferromagnetic CeAl2, enhanced Pauli paramagnetic CeAl3 and superconducting CeCu2Si2. For the latter two compounds, coherence leads to a hitherto not observed change of sign in the TEP below T = 0.5 K.