Pressure effect on the Neel temperature in La2CuO4

被引：4
|
作者：
Doroshev, V [1 ]
Krivoruchko, V [1 ]
Savosta, M [1 ]
Shestakov, A [1 ]
Tarasenko, T [1 ]
机构：
[1] UKRAINIAN ACAD SCI, DONETSK PHYS & TECH INST, UA-340114 DONETSK, UKRAINE
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 1996年 / 157卷
关键词：
high pressure; low-dimensional antiferromagnet; oxide superconductor; Neel temperature;
D O I：
10.1016/0304-8853(95)00993-0
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effects of hydrostatic pressure up to 1.3 GPa on the Neel temperature in orthorhombic antiferromagnetic La2CuO4+delta have been investigated using the La-139 NQR method. A positive sign of the pressure derivative, dT(N)/dP = 7.1 K/GPa, as well as an increase in the critical index beta from 0.29 at ambient pressure to 0.33 at 1.3 GPa have been observed. The results were processed using the Green function method.
引用
收藏
页码：669 / 670
页数：2
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