A hybrid NiCrAl pressure cell was fabricated to measure magnetic quantities under high pressure above 3GPa. A pressure of 4.0GPa was achieved and the pressure cell was found to be reusable even after a pressurizing trial up to 4.0GPa. Pressure was monitored using Cu63 nuclear quadrupole resonance of Cu2O and ruby fluorescence. The pressure efficiency of a fresh cell was maintained at 96%, and no appreciable deformation was observed at pressures below 3GPa; on the other hand, the efficiency after pressurizing trials decreased gradually and reached 75% at 4GPa accompanied by a maximum expansion inside the cylinder of 2%.

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