Abstract
Pressure dependence of magnetization in CeP is investigated up to 2 GPa. Multi-step transitions are induced by pressure. An antiferromagnetic transition at T N = 11 K below 0.1 GPa develops into two (magnetic) transitions at T L and T H in the region of 0.1 < P < 1.3 GPa, and into three magnetic transitions at T L, T H and T d above 1.3 GPa. For decreasing temperature an abrupt increase of magnetization, M( T), has been observed below T H and a round maximum of magnetization appearss at T L for P ⩾ 0.4 GPa. Above 1.3 GPa, an anomalous decrease of M( T) begins at T d = 10 K. Using previously reported 31P-NMR shift data it is shown that the pressure dependence of a characteristic temperature, which is proportional to the crystal field splitting in the paramagnetic temperature region, decreases rapidly with increasing pressure.
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