THIN DOMAIN-WALLS IN YBA2CU3O7-DELTA AND THEIR ROCKING CURVES AN X-RAY-DIFFRACTION STUDY

被引：51
作者：
CHROSCH, J [1 ]
SALJE, EKH [1 ]
机构：
[1] IRC SUPERCONDUCT,CAMBRIDGE CB3 0HE,ENGLAND
来源：
PHYSICA C | 1994年 / 225卷 / 1-2期
关键词：
D O I：
10.1016/0921-4534(94)90333-6
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Twin walls were investigated of single crystals of the high-T(c) superconductor YBa2Cu3O7-delta (YBCO) using a high-resolution X-ray diffractometer. Rocking curves were recorded for the (029)/(209), (02.10)/(20.10), and (02.11)/(20.11) pairs of Bragg peaks. The reflections were analysed using a wall profile e=e0tanh(r/w), where w is the effective wall thickness and r the distance from the wall centre. The wall thickness was determined to be 7 angstrom +/- 2 angstrom.
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页码：111 / 116
页数：6
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