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Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/10054/4378

Title: LARGE CRITICAL CURRENTS AND IMPROVED EPITAXY OF LASER-ABLATED AG-DOPED YBA2CU3O7-DELTA THIN-FILMS
Authors: KUMAR, D
SHARON, M
PINTO, R
APTE, PR
PAI, SP
PURANDARE, SC
GUPTA, LC
VIJAYARAGHAVAN, R
Keywords: critical current-density
grain-boundaries
transport
Issue Date: 1993
Publisher: AMER INST PHYSICS
Citation: APPLIED PHYSICS LETTERS, 62(26), 3522-3524
Abstract: Microstructure and critical current densities of laser ablated YBa2Cu3O7-delta thin films doped with 2-20 wt. % Ag have been studied. A critical current density as high as 1.4 X 10(7) A cm-2 at 77 K has been realized on [100] SrTiO3 substrates with YBaCuO films doped with 5 wt. % Ag which has been found to be the optimum. Evidence indicates that the improved microstructure and epitaxy which is a consequence of grain enlargement and alignment caused by Ag is responsible for the high values of critical currents observed.
URI: http://dx.doi.org/10.1063/1.109014
http://dspace.library.iitb.ac.in/xmlui/handle/10054/4378
http://hdl.handle.net/10054/4378
ISSN: 0003-6951
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