Specific Heat of CeRhSb Doped with Pd

Abstract:

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CeRhSb is known as a Kondo insulator with a hybridization gap Eg/kB  7 K. By doping CeRhSn with Pd this gap is strongly reduced and completely removes for x>0.08 in the system of CeRh1-xPdxSb alloys. The specific heat C of the samples 0x0.08 shows the heavy-Fermi-like behavior in the form of an strongly enhanced Sommerfeld coefficient CTT, which follows below 8 K a power law over a decade in temperature. Our measurements suggest that the enhanced  value originates from correlated, residual in-gap states at the Fermi level.

Info:

Periodical:

Solid State Phenomena (Volume 170)

Edited by:

J.-L. Bobet, B. Chevalier and D. Fruchart

Pages:

51-54

DOI:

10.4028/www.scientific.net/SSP.170.51

Citation:

A. Ślebarski and M. Fijałkowski, "Specific Heat of CeRhSb Doped with Pd", Solid State Phenomena, Vol. 170, pp. 51-54, 2011

Online since:

April 2011

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$35.00

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