Submillimeter-wave response of Nb-YBaCuO point-contact Josephson junctions using YBaCuO thin films prepared by CVD

The Shapiro steps in the submillimeter wave (SMMW) region were measured in point-contact Josephson junctions made of a Nb strip with a sharpened edge and a YBaCuO thin film. The thin film was prepared by the chemical vapor deposition (CVD) method. The dependence of the Shapiro step width on the SMMW...

Full description

Saved in:
Bibliographic Details
Published in:Japanese Journal of Applied Physics 1990-10, Vol.29 (10), p.L1778-L1780
Main Authors: IMAI, S, SUGAWARA, N, SUMIYA, K, ITO, K, MIKOSHIBA, N, YAMANE, H, HIRAI, T, KUROSAWA, H, YAMASHITA, T
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Physics
Superconducting films and low-dimensional structures
Superconductivity
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:The Shapiro steps in the submillimeter wave (SMMW) region were measured in point-contact Josephson junctions made of a Nb strip with a sharpened edge and a YBaCuO thin film. The thin film was prepared by the chemical vapor deposition (CVD) method. The dependence of the Shapiro step width on the SMMW power was measured for the wavelength of 570.6 µm (525.4 GHz). The dependence was similar to that found in microbridges made of low T c superconductors. The first-order Shapiro step was observed for the wavelength of 232.9 µm (1.287 THz).
ISSN:0021-4922
1347-4065
DOI:10.1143/jjap.29.l1778