Anisotropy and scale effect in the microhardness of crystals of Bi-based superconducting phases

被引：0
|
作者：
Osipov, VN [1 ]
Gurin, VN [1 ]
Derkachenko, LI [1 ]
Zimkin, IN [1 ]
机构：
[1] Russian Acad Sci, AF Ioffe Physicotech Inst, St Petersburg 194021, Russia
来源：
PHYSICS OF THE SOLID STATE | 2000年 / 42卷 / 05期
关键词：
D O I：
10.1134/1.1131304
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Microhardness studies are carried out on the (001) plane of faceted crystals of the Bi2Sr2CuO6 (2201) and Bi2Sr2CaCu2O8 (2212) phases with the help of a Knoop indenter. Peculiarities in the effect produced on the microhardness by the indenter orientation relative to crystal faces, the presence of lead in the structure, and the force applied to the indenter (scale effect) are detected. It is found that crystals of the 2212 phase exhibit the strongest dependence of the microhardness on the above factors. (C) 2000 MAIK "Nauka/Interperiodica".
引用
收藏
页码：873 / 876
页数：4
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