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Irradiation effects in superconductor oxides. Effets d'irradiation dans les oxydes supraconducteurs

Journal Article:

Abstract

Several effects of irradiation on the 92 K - oxide superconductor YBa[sub 2]Cu[sub 3]O[sub 7] are reported. Whatever irradiation type, the critical temperature T[sub c] is found to decrease and the resistivity to increase. At sufficiently high damage levels, YBa[sub 2]Cu[sub 3]O[sub 7] is no longer superconducting and even displays a semiconducting-like behaviour. The alterations of superconducting properties are clearly related to oxygen defects - in the CuO[sub 2] planes or CuO chains... but we have shown experimentally that copper defects are also important. Magnetic properties of YBa[sub 2]Cu[sub 3]O[sub 7] in mixed state are also very sensitive to irradiation. By pinning the flux lines, irradiation defects can considerably increase the critical current density j[sub c]. At present, irradiations by highly energetic heavy ions (6 GeV Pb for instance), which produce cylindrical tubes of amorphous material (latent tracks) throughout the whole thickness of the samples, are probably the most efficient way to enhance j[sub c]. (Author). 18 refs., 7 figs.
Authors:
Rullier-Albenque, F; Konczykowski, M [1] 
  1. CEA-Ecole Polytechnique, 91 - Palaiseau (France). Lab. d'Etudes des Solides Irradies
Publication Date:
Jan 01, 1993
Product Type:
Journal Article
Reference Number:
AIX-24-058630; EDB-93-114211
Resource Relation:
Journal Name: Revue Scientifique et Technique de la Defense; (France); Journal Volume: 19
Subject:
36 MATERIALS SCIENCE; ELECTRONS; IRRADIATION; MEV RANGE 01-10; HIGH-TC SUPERCONDUCTORS; LEAD IONS; GEV RANGE 01-10; AMORPHOUS STATE; BARIUM OXIDES; COPPER OXIDES; CRITICAL TEMPERATURE; CUBIC LATTICES; CUPRATES; ELECTRIC CONDUCTIVITY; MAGNETIC PROPERTIES; PHYSICAL RADIATION EFFECTS; SUPERCONDUCTIVITY; YTTRIUM OXIDES; ALKALINE EARTH METAL COMPOUNDS; BARIUM COMPOUNDS; CHALCOGENIDES; CHARGED PARTICLES; COPPER COMPOUNDS; CRYSTAL LATTICES; CRYSTAL STRUCTURE; ELECTRICAL PROPERTIES; ELEMENTARY PARTICLES; ENERGY RANGE; FERMIONS; GEV RANGE; IONS; LEPTONS; MEV RANGE; OXIDES; OXYGEN COMPOUNDS; PHYSICAL PROPERTIES; RADIATION EFFECTS; SUPERCONDUCTORS; THERMODYNAMIC PROPERTIES; TRANSITION ELEMENT COMPOUNDS; TRANSITION TEMPERATURE; YTTRIUM COMPOUNDS; 360206* - Ceramics, Cermets, & Refractories- Radiation Effects
OSTI ID:
6325883
Country of Origin:
France
Language:
French
Other Identifying Numbers:
Journal ID: ISSN 0994-1541; CODEN: RSTDEF
Submitting Site:
FRN
Size:
Pages: 33-38
Announcement Date:

Journal Article:

Citation Formats

Rullier-Albenque, F, and Konczykowski, M. Irradiation effects in superconductor oxides. Effets d'irradiation dans les oxydes supraconducteurs. France: N. p., 1993. Web.
Rullier-Albenque, F, & Konczykowski, M. Irradiation effects in superconductor oxides. Effets d'irradiation dans les oxydes supraconducteurs. France.
Rullier-Albenque, F, and Konczykowski, M. 1993. "Irradiation effects in superconductor oxides. Effets d'irradiation dans les oxydes supraconducteurs." France.
@misc{etde_6325883,
title = {Irradiation effects in superconductor oxides. Effets d'irradiation dans les oxydes supraconducteurs}
author = {Rullier-Albenque, F, and Konczykowski, M}
abstractNote = {Several effects of irradiation on the 92 K - oxide superconductor YBa[sub 2]Cu[sub 3]O[sub 7] are reported. Whatever irradiation type, the critical temperature T[sub c] is found to decrease and the resistivity to increase. At sufficiently high damage levels, YBa[sub 2]Cu[sub 3]O[sub 7] is no longer superconducting and even displays a semiconducting-like behaviour. The alterations of superconducting properties are clearly related to oxygen defects - in the CuO[sub 2] planes or CuO chains... but we have shown experimentally that copper defects are also important. Magnetic properties of YBa[sub 2]Cu[sub 3]O[sub 7] in mixed state are also very sensitive to irradiation. By pinning the flux lines, irradiation defects can considerably increase the critical current density j[sub c]. At present, irradiations by highly energetic heavy ions (6 GeV Pb for instance), which produce cylindrical tubes of amorphous material (latent tracks) throughout the whole thickness of the samples, are probably the most efficient way to enhance j[sub c]. (Author). 18 refs., 7 figs.}
journal = {Revue Scientifique et Technique de la Defense; (France)}
volume = {19}
journal type = {AC}
place = {France}
year = {1993}
month = {Jan}
}