Abstract
We have studied the magnetic properties of Ce(Fe 1− x Co x ) 2 with x = 0 and 0.05 by magnetization measurements under high pressure. In both compound, the remarkable suppression of the magnetization is observed below T * in the ferromagnetic (FM) state under 1.2 GPa. T * shifts to lower temperature with increasing the magnetic field, and the extrapolated value to the zero magnetic field is estimated to be 95 and 123 K. These high pressure and magnetic field effects are probably due to the enhancement and the suppression of the AFM spin fluctuation, respectively.
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