Easy vortex motion in an artificial channel of YBa2Cu 3O7-δ superconducting films

A. Jukna, I. Barboy, G. Jung, A. Abrutis, X. Li, D. Wang, R. Sobolewski

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

Quasi-Josephson effect produced by a coherent vortex motion in the horizontal part of the laser-performed n-shaped channel of a YBa 2Cu3O7-δ superconducting bridge was investigated by means of electric transport measurements. We observed that in our structures, in a limited range of temperatures and bias currents, the vortices were confined in the channel only and moved coherently with the velocity of 3 × 104 m/s. The corresponding current-voltage characteristics of the bridge exhibited Josephson-like voltage steps with the amplitude dependent on temperature, but independent of the bias current.

Original languageEnglish
Pages (from-to)959-962
Number of pages4
JournalActa Physica Polonica A
Volume113
Issue number3
DOIs
StatePublished - 1 Jan 2008

ASJC Scopus subject areas

  • General Physics and Astronomy

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