Magnetostriction of Dy and Ho studied by X-ray diffraction

被引：1
|
作者：
Tajima, K [1 ]
Ohsumi, H [1 ]
Kida, Y [1 ]
Hayashi, K [1 ]
机构：
[1] Keio Univ, Fac Sci & Technol, Dept Phys, Yokohama, Kanagawa 2238522, Japan
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2000年 / 303卷
关键词：
metals; magnetostriction; lattice modulation; phase transitions; X-ray diffractions;
D O I：
10.1016/S0925-8388(00)00673-3
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A change of the crystal lattice of Dy and Ho which is induced by a magnetic field along the easy direction of magnetization in the c-plane has been studied by X-ray diffraction in a temperature range of the helix phase. Continuous and discontinuous changes of the c-lattice parameter accompanying magnetic phase transitions have been observed and satellite reflections caused by the lattice modulation have been found in the helix phase of Dy and Ho and the helifan phase of Ho. The results can be explained by using the magnetoelastic effect and the magnetic structure calculated by a self-consistent mean field method. (C) 2000 Elsevier Science S.A. All rights reserved.
引用
收藏
页码：276 / 279
页数：4
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