Magnetoplastic effect in NaNO2 ferroelectric crystals

被引：28
|
作者：
Smirnov, BI [1 ]
Peschanskaya, NN [1 ]
Nikolaev, VI [1 ]
机构：
[1] Russian Acad Sci, AF Ioffe Physicotech Inst, St Petersburg 194021, Russia
来源：
PHYSICS OF THE SOLID STATE | 2001年 / 43卷 / 12期
关键词：
D O I：
10.1134/1.1427951
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
This paper reports on a laser interferometric study of the effect of a dc magnetic field (MF) on the rate of plastic deformation (creep) epsilon of NaNO2 ferroelectric crystals under compression. It is established that the application of a dc MF to a loaded specimen results in an increase in the creep rate and that removal of the MF brings about a decrease in epsilon. Subjecting an unloaded specimen to a dc MF beforehand also affects its strain rate under the subsequent loading. The observed magnetoplastic effect is most clearly pronounced within a certain epsilon interval, and the magnitude of this effect for the NaNO2 ferroelectric is several times larger than that for LiF crystals. (C) 2001 MAIK "Nauka/Interperiodica".
引用
收藏
页码：2250 / 2252
页数：3
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