In this review work we review the low-temperature specific heat data, thermal expansion coefficient, and magnetic properties of CeRhSn. The data are consistent with non-Fermi liquid behaviour; the magnetic susceptibility, χ (T), and the zero-field electronic specific heat coefficient γ ≡ C/T varies as T −n, and the magnetic contribution to the resistivity ρ is nearly linear in T. We also discuss the effect of alloying in the series of CeRhSb1-x Sn x and Ce1-x La x RhSn alloys on the ground state properties across the series with the increasing x. The series CeRhSb1-x Sn x with variable x exhibits a complicated. Previously, we have determined a quantum critical point at the border of Kondo insulator (KI) CeRhSb and the non-Fermi liquid (NFL) phase, located at x = x c ≈ 0.12 in the Sb-rich regime. At the CeRhSn side singular quantum fluctuations due to 4f electrons of Ce coexist with the spin fluctuations. In the series of Ce1-x La x RhSn alloys we discuss the NFL-like behavior near the critical concentration x c ≈ 0.5 which separates the spin fluctuations in components x > x c and the spin-glass-like behavior for x < x c .
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Ślebarski, A. Low-Temperature Anomalies in Magnetic, Electric Transport and Thermal Properties of CeRhSn. J Low Temp Phys 147, 147–164 (2007). https://doi.org/10.1007/s10909-007-9306-0
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DOI: https://doi.org/10.1007/s10909-007-9306-0