Department of Metal Science and Technology, Kyoto University, Sakyo-ku, Kyoto 606, Japan
a Department of Applied Physics, Fukui University, Bunkyo, Fukui 910, Japan
Abstract:
On the basis of the results of thermal expansion and NMR measurements, the stability of Mn moments and spin fluctuations in RMn2 are discussed. It has been shown that the interatomic distance of RMn2 plays a crucial role in determining the Mn magnetism in RMn2.