Abstract
Heavy fermion CePtIn and CePdIn, together with the isoelectronic valence fluctuator CeNiIn, crystallizing in a hexagonal ZrNiAl-type structure, have attracted the attention of researchers for many years. We present magnetization, specific heat and electrical resistivity data measured on a CePtIn single crystal. The measured data show certain anisotropy of electronic properties, which is discussed in terms of a competition of RKKY and Kondo interactions. No clear trace of magnetic phase transition is observed down to 0.4 K. The specific heat and electrical resistivity data indicate a non-Fermi liquid state at low temperatures, which is discussed with respect to the isostructural CeNi0.4Pd0.6In and CeNi0.6Pd0.4In compounds, showing very similar electronic properties and lattice parameters.
Published Version
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