Long-distance super-exchange and quantum magnetic relaxation in a hybrid metal–organic framework
Tian Ying, Shen Shipeng, Cong Junzhuang, Yan Liqin, Chai Yisheng, Sun Young†,
       

(a) The stair-shapedM–Hhysteresis loops atT= 2 K and 5 K, obtained after subtracting the linear component. (b) The differential ofM–Hcurves at 2 K and 5 K.