Effect of pressure on the magnetic superzone gap in antiferromagnetic uranium compounds UCu2Sn and UCu3Ga2

✍ Scribed by M. Kurisu; T. Takahashi; Y. Maeda; H. Iwasaki; T. Takabatake; H. Fujii

• Publisher: Elsevier Science
• Year: 1993
• Tongue: English
• Weight: 202 KB
• Volume: 186-188
• Category: Article
• ISSN: 0921-4526
• DOI: 10.1016/0921-4526(93)90698-6

✦ Synopsis

The effect of hydrostatic pressure on both the energy gap produced by magnetic superzone effects and the N6el temperature T N of UCu2Sn and UCu3Ga 2 has been investigated by means of resistivity measurements. Under various pressures, the shape of the resistive transition below T N in both compounds remains unchanged, suggesting that the energy gaps are pressure-insensitive, whereas the transition merely moves to lower temperatures at a rate of ---0.1 K/kbar, indicating a negative pressure dependence of T N which is opposite to that of the usual binary and ternary uranium antiferromagnets.