A-AXIS ORIENTED YBA2CU3O7 SUPERCONDUCTING THIN-FILM GROWN ON MGO SUBSTRATE

被引：36
|
作者：
HAMET, JF
MERCEY, B
HERVIEU, M
RAVEAU, B
机构：
[1] Laboratoire de Cristallographie et Sciences des matériaux, CRISMAT-ISMRa, URA CNRS, 14050 Caen cedex, 1318, Boulevard du Marechal Juin
来源：
PHYSICA C | 1992年 / 193卷 / 3-4期
关键词：
D O I：
10.1016/0921-4534(92)90972-F
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We have successfully grown a-axis oriented YBa2Cu3O7-x (YBCO) superconducting thin films on MgO (001) substrates using the in situ pulsed laser deposition technique. The films are highly oriented as determined by 2-theta X-ray diffraction and transmission electron microscopy (TEM); [100] domains oriented at 90-degrees have been observed. It is demonstrated that epitaxy is not necessary for the growth of a-axis oriented thin films. A zero resistance superconducting transition temperature of 89 K has been measured which is, to our knowledge, the highest value for a-axis oriented thin films.
引用
收藏
页码：465 / 470
页数：6
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