BI-BASED SUPERCONDUCTORS AND THEIR SURFACE-WAVE VELOCITIES

被引:6
|
作者
ALEKSANDROV, VV
VELICHKINA, TS
VORONKOVA, VI
GIPPIUS, AA
REDKO, SV
YAKOVLEV, IA
YANOVSKII, VK
机构
[1] MV LOMONOSOV STATE UNIV,CHAIR LOW TEMP & HIGH TEMP SUPERCONDUCT,MOSCOW 117234,USSR
[2] MV LOMONOSOV STATE UNIV,CHAIR SOLID STATE PHYS,MOSCOW 117234,USSR
关键词
D O I
10.1016/0038-1098(90)90116-S
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
We have measured the surface hypersound velocity values VR of Bi2Sr2CaCu2O8 and Bi2Sr2CuO6 single crystals by Mandelstamm-Brillouin light scattering spectra. Measurements were performed at room temperature. In case of Bi2Sr2CaCu2O8 crystal considerable difference (20%) of (001) plane VR values along a and b crystallographic directions was manifested. However mentioned VR anisotropy in Bi2Sr2CuO6 crystals was not observed. © 1990.
引用
收藏
页码:685 / 689
页数:5
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