Electric properties of the Y-Ba-Cu-O/Ag interface

被引：0

作者：

Mizushima, Koichi ^{[1
]}

Sagoi, Masayuki ^{[1
]}

Miura, Tadao ^{[1
]}

Yoshida, Jiro ^{[1
]}

机构：

[1] Toshiba Research & Development, Cent, Japan

来源：

Japanese Journal of Applied Physics, Part 2: Letters | 1988年 / 27卷 / 08期

关键词：

Ceramic Materials - Silver and Alloys - Yttrium Compounds - Electric Conductivity;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

The energy gap parameter 2 induced in Ag, evaporated on an Y-Ba-Cu-O (YBCO) film, was determined by a quasi-particle tunneling experiment for a YBCO/Ag/PbOx/Pb junction. The energy gap 2 was as large as 35 mV at 4 K and decreased almost linearly with an increase in temperature, vanishing at about 45 K. The same type of junction with a larger tunnel conductance showed a tunnel-type Josephson characteristic below the critical temperature of Pb.

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