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Electric resistivity, specific heat, magnetic susceptibility, and inelasticneutron scattering experiments were performed on a single crystal of the heavyfermion compound Ce(Ni$_{0.935}$Pd$_{0.065}$)$_2$Ge$_2$ in order to study thespin fluctuations near an antiferromagnetic (AF) quantum critical point (QCP).The resistivity and the specific heat coefficient for $T \leq$ 1 K exhibit thepower law behavior expected for a 3D itinerant AF QCP ($\rho(T) \sim T^{3/2}$and $\gamma(T) \sim \gamma_0 - b T^{1/2}$). However, for 2 $\leq T \leq$ 10 K,the susceptibility and specific heat vary as $log T$ and the resistivity varieslinearly with temperature. Furthermore, despite the fact that the resistivityand specific heat exhibit the non-Fermi liquid behavior expected at a QCP, thecorrelation length, correlation time, and staggered susceptibility of the spinfluctuations remain finite at low temperature. We suggest that these deviationsfrom the divergent behavior expected for a QCP may result from alloy disorder.

Quantum Critical Fluctuations in the Heavy fermion compound Ce(Ni$_{0.935}$Pd$_{0.065}$)$_2$Ge$_2$