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Reactive deposition of Y1Ba2Cu3O7 −x superconductor films by pulsed laser ablation from an unreacted mixture of Y2O3, BaCO3 and CuO
R D Vispute R R Rao Sucheta Gorwadkar S A Gangal S B Ogale
Volume 15 Issue 4 August 1992 pp 377-384
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https://www.ias.ac.in/article/fulltext/boms/015/04/0377-0384 -
Keywords
Superconductor thin films ;laser ablation -
Abstract
Superconducting thin films of Y1Ba2Cu3 O7 −x have been deposited on (100) Y-ZrO2 substrates by pulsed excimer laser ablation from anunreacted mixture of Y2O3, BaCO3 and CuO. The films deposited at substrate temperature of 680°C and oxygen partial pressure of 200 mtorr were found to be superconducting with zero resistive transition temperature of 89 K and critical current density of over 3 × 105 A/cm2 at 77 K. These results are compared with those obtained by laser ablation from a sintered superconducting pellet.
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Author Affiliations
R D Vispute1 R R Rao1 Sucheta Gorwadkar1 2 S A Gangal1 2 S B Ogale1
- Department of Physics, Centre for Advanced Studies in Materials Science and Solid State Physics, Pune - 411 007, India
- Department of Electronics Science, University of Poona, Pune - 411 007, India
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Dates
- Published
- August 1992
- Manuscript received
- 10 December 1991
- Manuscript revised
- 3 April 1992
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Bulletin of Materials Science
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