Novel Magnetic and Thermodynamic Properties of Thiospinel Compound   CuCrZrS$_{4}$
  We have carried out dc magnetic susceptibility, magnetization and specific heat measurements on thiospinel CuCrZrS$_{4}$. Below $T_{\rm C}^{*} =$ 58 K, dc magnetic susceptibility and magnetization data show ferromagnetic behavior with a small spontaneous magnetization 0.27 $\mu_{\rm B}/$f. u..   In dc magnetic susceptibility, large and weak irreversibilities are observed below $T_{\rm f} =$ 6 K and in the range $T_{\rm f}< T < T_{\rm C}^{*}$ respectively.   We found that there is no anomaly as a peak or step in the specific heat at $T_{\rm C}^{*}$. 
Masakazu Ito, Hiroki Yamamoto, Shoichi Nagata, Takashi Suzuki