Quantized Current-Step Structure Observed in RF-Irradiated Microbridge Made of NbN Granular Thin Film

Qunatized current-step structure are observed in rf-irradiated Dayem type microbridges with narrow width made of very high resistance NbN granular thin film. The step width is found to be proportional to the irradiation frequency. Some discussion is made on the assumption that the structure is cause...

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Bibliographic Details
Published in:Japanese Journal of Applied Physics 1987-01, Vol.26 (S3-2), p.1625-1626
Main Authors: Yoshikawa, N., Akeyoshi, T., Kojima, M., Sugahara, M.
Format: Article
Language:English
Online Access:Get full text
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Summary:Qunatized current-step structure are observed in rf-irradiated Dayem type microbridges with narrow width made of very high resistance NbN granular thin film. The step width is found to be proportional to the irradiation frequency. Some discussion is made on the assumption that the structure is caused by a new macroscopic quantum effect dual to Shapiro step.
ISSN:0021-4922
1347-4065
DOI:10.7567/JJAPS.26S3.1625