ELECTRICAL TRANSPORT-PROPERTIES OF JOSEPHSON-JUNCTIONS WITH A NB/AU/PI/(PB-BI) STRUCTURE

被引：8

作者：

KUBOTA, T ^{[1
]}

WADA, M ^{[1
]}

IWAMOTO, M ^{[1
]}

NOSHIRO, H ^{[1
]}

SEKINE, M ^{[1
]}

机构：

[1] TOKYO INST TECHNOL,DEPT APPL ELECTR,YOKOHAMA,KANAGAWA 227,JAPAN

来源：

THIN SOLID FILMS | 1992年 / 210卷 / 1-2期

关键词：

D O I：

10.1016/0040-6090(92)90233-2

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We fabricated tunnel junctions with structures of Au/PI/Pb and of Nb/Au/Pl/(Pb-Bi) incorporating high-quality and ultrathin polyimide (PI) Langmuir-Blodgett (LB) films and then examined the electrical transport properties of the junctions. The inelastic electron tunneling spectroscopy (IETS) spectra of the Au/PI/Pb junctions reveals that the inelastic electron tunneling process accompanied by the energy loss due to the coupling of tunneling electrons with the vibrational modes of polyimide does not make a significant contribution. For Nb/Au/PI/(Pb-Bi) Josephson junctions, we obtained typical I-V characteristics of a weakly coupled superconductor.

引用

页码：277 / 279

页数：3

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