Pressure Effect on Antiferromagnetic Ordering in UPb3
Abstract
We investigated the pressure dependence of the antiferromagnetic transition temperature TN of UPb3 by the electrical resistivity measurement. We found that at low pressures TN increases with increasing pressure. It has a maximum value 38 K at 5 GPa, then decreases with increasing pressure. In addition we observed another resistive anomaly followed by a steep decrease in resistivity below TN under pressure. The maximum pressure of 8 GPa in the present study was not enough to suppress the antiferromagnetic ordering. The critical pressure is estimated to be around 10 GPa.
- Publication:
-
Acta Physica Polonica B
- Pub Date:
- February 2003
- Bibcode:
- 2003AcPPB..34.1239H