HREM STUDY OF HIGH-TC HOBA2CU3O7-DELTA SUPERCONDUCTORS

被引：2
|
作者：
YAN, Y
BLANCHIN, MG
FUCHS, G
机构：
[1] Département de Physique des Matériaux, Associé au C.N.R.S., Université Claude-Bernard, 69622 Villeurbanne Cedex, 43, boulevard du
来源：
JOURNAL OF THE LESS-COMMON METALS | 1990年 / 164卷 / 1-2期
关键词：
Ceramic Superconductors - Holmium Barium Copper Oxides - HREM Study - Mixed Oxide Superconductors - Oxide Superconductors;
D O I：
10.1016/0022-5088(90)90217-8
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：
High resolution transmission electron microscopy (HREM) has been used to reveal directly the structure of the metal framework and its defects in HoBa2Cu3O7-gd ceramic samples. Ho, Ba, and Cu are seen as dark dots with different contrast depending on the atomic scattering factors. The dots arising from the columns of oxygen vacancies are distinguished from the occupied oxygen columns as brighter regions. HREM images of (110) twin boundaries and of (001) interfaces with different displacement vectors have been obtained. © 1990.
引用
收藏
页码：215 / 222
页数：8
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