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†,
       

Exponential magnetic relaxation atT= 5 K in (a) low magnetic fields and (b) high magnetic fields. The solid lines are the linear fits to the data.