CURRENT-VOLTAGE CHARACTERISTICS OF YBA2CU3OY/LA0.7CA0.3MNOZ/YBA2CU3OY TRILAYERED-TYPE JUNCTIONS

被引：93

作者：

KASAI, M

OHNO, T

KANKE, Y

KOZONO, Y

HANAZONO, M

SUGITA, Y

机构：

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS | 1990年 / 29卷 / 12期

关键词：

HIGH TC SUPERCONDUCTOR; PROXIMITY EFFECT; TUNNEL JUNCTION; IV CHARACTERISTICS; MAGNETIC OXIDE; YBA2CU3OY; LA0.7CA0.3MNOZ;

D O I：

10.1143/JJAP.29.L2219

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

YBa2Cu3O(y)(superconductor)/La0.7Ca0.3MnO(z)(magnetic material)/YBa2Cu3O(y)(superconductor) trilayered-type junctions were prepared on MGO(100) single-crystal substrates, and the current-voltage characteristics were examined. The top and bottom YBa2Cu3O(y) layers were 200 nm thick, and the La0.7Ca0.3MnO(z) layer was 20, 30, 50, or 100 nm thick. A supercurrent was observed through all the La0.7Ca0.3MnO(z) layers, even the thickest one. Further investigation showed that a supercurrent could be observed through the 500-nm barrier layer.

引用

收藏

页码：L2219 / L2222

页数：4

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