STUDY OF SUPERCONDUCTING ALPHA-AXIS ORIENTED YBA2CU3O7-DELTA THIN-FILMS DEPOSITED ON Y2O3/YSZ/SI WITH PRBA2CU3O7-DELTA SEED LAYER

被引：2
|
作者：
ROSOVA, A [1 ]
CHROMIK, S [1 ]
BENACKA, S [1 ]
WUYTS, B [1 ]
机构：
[1] KATHOLIEKE UNIV LEUVEN,VASTE STOF FYS MAGNETISME LAB,B-3001 LOUVAIN,BELGIUM
来源：
PHYSICA C | 1995年 / 253卷 / 1-2期
关键词：
D O I：
10.1016/0921-4534(95)00514-5
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Epitaxial a-axis oriented YBa2Cu3O7-delta (YBCO) superconducting thin films have been grown by off-axis magnetron sputtering on Y2O3/YSZ/Si substrates with PrBa2Cu3O7-delta (PBCO) seed layer. The YBCO thin films were deposited immediately after the on-axis magnetron sputtering of PBCO. XRD analyses show that the a-axis volume fraction for 120 nm thick YBCO films varies with substrate temperature during PBCO deposition and its maximum value is higher than 98%. The TEM study shows the clear dependence between the character of the R-T dependence and the microstructure of our YBCO thin films, which varies with the change of the volume ratio of a-axis to c-axis oriented YBCO.
引用
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页码：39 / 47
页数：9
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