The influence of high pressure on the structural and magnetic properties of Y2Fe17-xMx (M = Si, Al; x=1.7) compounds

被引：4
|
作者：
Voronin, VI
Kuchin, AG
Glazkov, VP
Kozlenko, DP
Savenko, BN
机构：
[1] Russian Acad Sci, Inst Met Phys, Ural Div, Ekaterinburg 620219, Russia
[2] Kurchatov Inst, Russian Res Ctr, Moscow 123182, Russia
[3] Joint Inst Nucl Res, Dubna 141980, Moscow Oblast, Russia
来源：
PHYSICS OF THE SOLID STATE | 2004年 / 46卷 / 02期
关键词：
D O I：
10.1134/1.1649429
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The influence of high pressure on the crystal structure of the hexagonal intermetallic compounds Y2Fe17, Y2Fe15.3Al1.7, and Y2Fe15.3Si1.7 is investigated by neutron diffraction for the first time. It is shown that, under high pressure, the crystal lattice undergoes an isotropic contraction. A correlation of the changes in the Curie temperature with the distance between iron atoms in the dumbbell positions under pressure is revealed. The effect of pressure on the Y2Fe17 compound is examined at low temperatures. It is found that the magnetostriction in this compound is suppressed under high pressure. (C) 2004 MAIK "Nauka / Interperiodica".
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页码：306 / 311
页数：6
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