DEVELOPMENT AND CHARACTERIZATION OF GDBA2NBO6, A NEW CERAMIC SUBSTRATE FOR YBCO THICK-FILMS

被引:8
作者
KOSHY, J
THOMAS, JK
KURIAN, J
YADAVA, YP
DAMODARAN, AD
机构
[1] Regional Research Laboratory (CSIR), Trivandrum
关键词
D O I
10.1016/0167-577X(93)90133-I
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The development and characterization of a new substrate material GdBa2NbO6, having moderately low dielectric constant and loss factor at MHz frequencies are reported. It has been found that superconducting YBa2Cu3O7-delta does not react with GdBa2NbO6 even after a 1:1 volume mixture was heated at 950 degrees C for 15 h. The suitability of GdBa2NbO6 as a substrate for YBa2Cu3O7-delta thick films was confirmed by fabricating a thick film of YBa2Cu3O7-delta on this substrate by screen printing which gave a zero-resistivity superconducting transition at T-c(0)=92 K with a transition width of 2 K.
引用
收藏
页码:393 / 397
页数:5
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