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Absence of lattice coherence effects in Ce0.6La0.4Pb3: A magnetic field study

R. Pietri·C. R. Rotundu·B. Andraka·B. C. Daniels·K. Ingersent
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Abstract

The specific heat of polycrystalline Ce0.6La0.4Pb3 has been measured in magnetic fields ranging from 0 to 14 T. After subtraction of a lattice contribution, the specific heat between 1 K and 10 K is well described by the S=1/2 single-impurity Kondo model with just one adjustable parameter: the zero-field Kondo temperature. In particular, the variation in the temperature and the height of the peak in C vs T is captured with good accuracy. This fit suggests that lattice coherence effects play no significant role in the magnetic-field response of this concentrated Kondo system.

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R. Pietri, C. R. Rotundu, B. Andraka, B. C. Daniels, K. Ingersent. 2005-05-19. Absence of lattice coherence effects in Ce0.6La0.4Pb3: A magnetic field study. https://doi.org/10.1063/1.1855456

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