The Effects of Pressure on the Paramagnetic–antiferromagnetic Transition of Dysprosium

The shift of temperature with pressure of the paramagnetic–antiferromagnetic phase transition of dysprosium at 177° K has been found to be −(0.55±0.02) × 10 −3 deg K/(kg/cm 2 ). Pressure was applied to the substance by compressing the metal between two pistons in a cylinder. The transition point was determined by measuring the magnetic moment of the sample as a function of temperature at various pressures up to 8400 kg/cm 2 . The results appear to be consistent with current theories of the magnetic properties of dysprosium.