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IRRADIATION EFFECTS IN YBCO THIN FILMS

S. S. Tinchev1,*

Affiliation

  1. Institute of Electronics, Bulgarian Academy of Sciences, Tzarigradsko Chaussee 72, 1784 Sofia, Bulgaria

Abstract

Oxide superconductors are very sensitive to electron or ion beam irradiation/ implantation. In the past 19 years after high-Tc (HTc) superconductivity was discovered in these materials, many aspects of interactions of accelerated particles with HTc thin films were investigated. In this paper short review of most significant phenomena is given, especially of those important for electronic applications (controllable reducing of critical temperature and critical current density) and their applications for HTc films patterning, fabrication of HTc Josephson junctions and SQUIDs. Some new results in creating 3-d inhomogeneous regions in YBCO superconductors by ion irradiation/implantation and investigation of high harmonic generation in YBCO film modified by 100 keV oxygen ions are presented..

Keywords

Irradiation, YBCO, Harmonic generation, Thin film.

Submitted at: April 13, 2005
Accepted at: May 26, 2005

Citation

S. S. Tinchev, IRRADIATION EFFECTS IN YBCO THIN FILMS, Journal of Optoelectronics and Advanced Materials Vol. 7, Iss. 3, pp. 1253-1258 (2005)