Crystal field and magnetic excitations study in CePtIn
CePtIn crystallizes in the ZrNiAl-type hexagonal structure (space group P-62m, 189). The previous measurements suggest that the RKKY interaction is dominant in compound but the absence of magnetic phase transition down to 60 mK implies also the strong influence of Kondo interaction in CePtIn. Moreover, non-Fermi-liquid behavior is observed in CePtIn. The value of c/T at 60 mK is is ≈ 1J.mol−1.K−2 which classifies CePtIn as heavy-fermion system. Specific heat shows strong increase with decreasing temperature which is, to some extent, suppressed by applied magnetic field. The low-temperature electrical resistivity also deviates from the T2 dependence. The aim of proposed work is to study the energy spectra of CePtIn in order to obtain a first overall picture of magnetic excitations in this compound. This includes crystal-field excitations and possibly also some magnetic excitations at low temperatures.
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KLICPERA Milan; JAVORSKY Pavel and ROLS Stephane. (2014). Crystal field and magnetic excitations study in CePtIn. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.4-01-1385
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