Signs of quantum Griffiths effects in the weak itinerant ferromagnet Ni-V

?Magnetization and ac-susceptibility data of $Ni_{1- x}V_{x}$ alloys are presented in the vicinity of the critical concentration, $x_c \approx 11\%$, where the ferromagnetic transition temperature is expected to vanish. For $x > x_c$ power laws with unusual exponents are observed, which change with further dilution.