Non-Fermi-Liquid State in $URu_{0.68}Pd_{0.32}Ge$

We report the measurements of dc-magnetization (M), specific heat $(C_{p})$ and electrical resistivity (ρ) of an intermetallic $URu_{0.68}Pd_{0.32}Ge$, that lies at the border between nonmagnetic and magnetic regimes in the magnetic phase diagram of solid solutions $URu_{1-x}Pd_{x}Ge$. The studied composition shows enhanced dc-magnetic susceptibility χ(T) and the Sommerfeld ratio $C_{p}(T)$/T at low temperatures. Below 4 K χ(T), $C_{p}(T)$/T and ρ(T) can be described by χ(T) ∝ $T^{-0.48}$, $C_{p}(T)$/T ∝ √T and ρ(T) ∝ c ln(T)+$AT^{3/2}$, respectively. These observations provide an evidence that $URu_{0.68}Pd_{0.32}Ge$ is a moderately heavy-fermion system with an electronic ground state of non-Fermi liquid character. We found non-linear effect of the magnetization and a large value of the Wilson ratio, which are consistent with the interpretation in terms of magnetic instability.