Abstract:
Magnetization measurements were performed on the (CuxMn1¡x)3[Cr(CN)6]2.zH2O molecule-based magnets where x = 0:0, 0.2, 0.25, 0.3, 0.35 0.4, 0.6, 0.8 and 1.0. Both the Curie temperature and saturated magnetization at first decrease with increasing value of x reaching the minimal value of TC = 49:7 K and 0:17 ¹B for x = 0:2 and then increase with substitution. The pronounced hysteretic behavior between zero-field cooled and field cooled regimes was observed for all samples. Magnetization changes the sign of magnetic polarization in zero-field cooled magnetization curve at the compensation temperature Tcomp = 16 K for sample with x = 0:4. Our results indicate that the system behaves as mixed-ferri-ferromagnetic system.