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

页码：465 / 470

页数：6

共 10 条

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