Current transport across grain boundary networks in high-Tc superconductors

Electric transport measurements across single grain boundaries in YBa2Cu3O7 films are summarized. These experiments demonstrate that YBa2Cu3O7 grain boundaries behave like SNS-type Josephson junctions. The implications of this weak link behavior for the critical currents of polycrystalline high-Tc superconductors are discussed in conjunction with spatially resolved measurements of the current transport in polycrystalline YBa2Cu3O7.

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Year of publication:	1990
Authors:	Mannhart, J. ; Huebener, R.P. ; Kober, F. ; Koelle, D. ; Chaudhari, P. ; Dimos, D. ; Gross, R. ; Gupta, A. ; Koren, G. ; Tsuei, C.C.
Published in:	Physica A: Statistical Mechanics and its Applications. - Elsevier, ISSN 0378-4371. - Vol. 168.1990, 1, p. 345-352
Publisher:	Elsevier

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Type of publication:	Article
Source:	RePEc - Research Papers in Economics

Persistent link: https://www.econbiz.de/10010586746