Strongly correlated electron behaviour in stoichiometric CeRhSn and non-stoichiometric Ce_xRhSn

A. Lebarski Department of Physics and Institute for Pure and Applied Physical Sciences, University of California, San Diego, La Jolla, California, 92093-0360, USA; Institute of Physics, University of Silesia, ul. Uniwersytecka 4, 40-007, Katowice, Poland

N. A. Frederick Department of Physics and Institute for Pure and Applied Physical Sciences, University of California, San Diego, La Jolla, California, 92093-0360, USA

M. B. Maple Department of Physics and Institute for Pure and Applied Physical Sciences, University of California, San Diego, La Jolla, California, 92093-0360, USA

Abstract

We have recently shown that CeRhSn exhibits non-Fermi-liquid temperature dependences in its low-temperature physical properties. Here we suggest that the non-Fermi-liquid behaviour observed in Ce_xRhSn may be due to the existence of a Griffiths phase in the vicinity of a quantum critical point, based on electrical resistivity, magnetic susceptibility and specific heat measurements carried out on off-stoichiometric Ce_xRhSn alloys. We also discuss the influence of disorder on the low-temperature properties of Ce_xRhSn.

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Strongly correlated electron behaviour in stoichiometric CeRhSn and non-stoichiometric Ce_xRhSn

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Strongly correlated electron behaviour in stoichiometric CeRhSn and non-stoichiometric CexRhSn

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Strongly correlated electron behaviour in stoichiometric CeRhSn and non-stoichiometric Ce_xRhSn