SINGLE-CRYSTAL X-RAY STRUCTURE-ANALYSIS OF YBA2CU3O6.5

被引:20
|
作者
SIMON, A
TRUBENBACH, K
BORRMANN, H
机构
[1] Max-Planck-Institut für Festkörperforschung, D-70569 Stuttgart 80
关键词
D O I
10.1006/jssc.1993.1271
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The crystal structure of YBa2Cu3O6.5 was refined from X-ray data of a twinned crystal with a domain ratio 5:1. The earlier proposed model of alternately filled and empty Cu-O chains is verified. On the basis of 1290 measured superstructure reflections averaged to 244 independent intensities a structure analysis was performed revealing systematic shifts of the strongly scattering atoms Y, Ba, and Cu compared to YBa2Cu3O6.93. © 1993 Academic Press, Inc.
引用
收藏
页码:128 / 133
页数:6
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