IMPROVED TRANSPORT-PROPERTIES OF POLYCRYSTALLINE YBCO THIN-FILMS

被引:0
作者
AZOULAY, J
VERDYAN, A
LAPSKER, I
机构
来源
PHYSICA C | 1994年 / 235卷
关键词
D O I
10.1016/0921-4534(94)91522-9
中图分类号
O59 [应用物理学];
学科分类号
摘要
Resistive evaporation technique was used to fabricate polycrystalline Y-Ba-Cu-O and Y-Ba-Na-Cu-O thin films on MgO substrates. Heat treatment was carried out in a low oxygen partial pressure. Polycrystalline YBCO and Na doped YBCO thin films samples were thus obtained using the same technique and conditions. The critical current density of Na doped YBCO sample was measured to be significantly higher than that of the undoped YBCO one. The results are discussed in terms of the Na contribution to the intragrain conductivity.
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页码:597 / 598
页数:2
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