A 24-Gd nanocapsule with a large magnetocaloric effect

Two 24-nuclear lanthanide clusters, Gd-24 and Dy-24 were obtained and structurally characterized. Magnetic investigations reveal that Gd-24 exhibits the largest entropy change (-Delta S-m) of 46.12 J kg(-1) K-1 for Delta H = 7 T in all reported molecular clusters, and single-molecule magnet behaviour is observed in Dy-24.