DEFORMATION OF NIO SINGLE-CRYSTALS BELOW ROOM-TEMPERATURE - DISLOCATION CONFIGURATIONS

被引：5
|
作者：
JIMENEZMELENDO, M
RIVIERE, JP
SUZUKI, T
KOIZUMI, H
CASTAING, J
DOMINGUEZRODRIGUEZ, A
机构：
[1] CNRS, PHYS MAT LAB, F-92195 MEUDON, FRANCE
[2] UNIV TOKYO, INST IND SCI, MINATO KU, TOKYO 106, JAPAN
来源：
JOURNAL OF MATERIALS SCIENCE | 1992年 / 27卷 / 13期
关键词：
D O I：
10.1007/BF01151837
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
NiO single crystals prepared by two crystal growth techniques (zone melting in an arc-image furnace and Verneuil crystallization have been deformed by compression along <001> at temperatures as low as 4.2 K, and the dislocation substructure observed by transmission electron microscopy. The Peierls mechanism has been suggested as the mechanism controlling the mechanical behaviour at the lower temperatures. The dislocations generated at cavities found in the zone-melted crystals may be responsible for the increase of the flow stress of these crystals compared with the Verneuil ones.
引用
收藏
页码：3589 / 3593
页数：5
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