A PRESSURE-INDUCED MAGNETIC PHASE-TRANSITION IN Y2FE17 INTERMETALLIC COMPOUND

被引:41
作者
NIKITIN, SA
TISHIN, AM
KUZMIN, MD
SPICHKIN, YI
机构
[1] Physics Department, Moscow State University
关键词
D O I
10.1016/0375-9601(91)90861-2
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The results of the investigation of the influence of pressure on the magnetic properties of Y2Fe17 intermetallic compound are reported. The Curie temperature is established as T(C) = 320 K and its pressure derivative as dT(C)/dp = -47 K/GPa. The action of the hydrostatic pressure is found to produce a new magnetic phase. A Ginzburg-Landau functional is used to describe the origin of the non-collinear magnetic structure. The field-induced volume magnetostriction is calculated on the basis of the experimental data obtained.
引用
收藏
页码:155 / 161
页数:7
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