Abstract
We have studied the magnetic properties of Ce(Fe 1- x Co x ) 2 with x ≤0.1 by magnetization measurements under high pressures up to 1.2 GPa. In pure CeFe 2 , the Curie temperature T C decreases, and the saturation magnetization M s is suppressed by applying pressure. In Co substitution compounds, the transition temperature T A from the ferromagnetic (FM) to the antiferromagnetic (AFM) states and the metamagnetic transition field B c increase with increasing pressure, while T C and the magnetization of the spontaneous and field-induced FM states decrease. The obtained results indicate that the AFM state becomes stable by the lattice contraction.
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