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High-quality [100] and [110] YBa2Cu3O7−δ films for Josephson tunnelling

Autor: J. Ayache, X. Grison, G. Passerieux, Jerome Lesueur, S. J. Kim, F. Lalu

Publikováno v: Journal of Crystal Growth. 249:186-190

YBa 2 Cu 3 O 7−δ /PrBa 2 Cu 3 O 7−δ (YBCO/PBCO) bilayers [1 0 0] and [1 1 0] oriented are in situ grown by a reactive co-deposition technique on SrTiO 3 single-crystal substrates. Atomic force microscopy and transmission electron microscopy ima

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ef71fd7bc6b78a0a5ddf538724e34d82
https://doi.org/10.1016/s0022-0248(02)02070-5

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Effets tunnel et Josephson dans des supraconducteurs à haute Tc : rôle des interfaces

Autor: J. Ayache, X. Grison, Jerome Lesueur, A. Thorel, Marco Aprili, S. J. Kim

Publikováno v: Le Journal de Physique IV. :Pr4-207

Pour comprendre la supraconductivite a haute temperature critique, et tester les modeles theoriques proposes, l'effet tunnel et le couplage Josephson sont des outils tres importants. En mesurant la densite d'etats au niveau de Fermi d'une part, et le

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::66f3125ba3f627f7f71875d13a7d09c0
https://doi.org/10.1051/jp4:1999427

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Fabrication of pure YBaCuO powders with controlled microstructure

Autor: C. Legros, J Ayache, L Ponsonnet-Mora, C. Haut

Publikováno v: Journal of the European Ceramic Society
Journal of the European Ceramic Society, Elsevier, 1999, 19, pp.165-173

A fabrication process has been optimized to successfully produce fine and pure high temperature superconducting YBaCuO powders. The resulting powders have been examined by X-ray diffraction, scanning and transmission electron microscopy with Energy D

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::aabc5d1d1d7e8a9704c55740c4592dc1
https://doi.org/10.1016/s0955-2219(98)00187-3

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Growth Induced Grain Boundary Plane Oscillations in YBa2Cu3O7

Autor: U. Dahmen, J. Ayache, A. Thorel, K. H. Westmacott, S. Jong Kim, Jerome Lesueur

Publikováno v: Materials Science Forum. :119-122

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d4a3cfc85e8fbd3fdf66d1d587ac0b09
https://doi.org/10.4028/www.scientific.net/msf.294-296.119

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Influence of the growth mechanism on the grain boundary structure in YBa2Cu3O7 thin film bicrystals

Autor: J.-M. Le Duigou, J. Ayache, J. Bonevich, A. Thorel, U. Dahmen

Publikováno v: Journal of Alloys and Compounds
EMRS 1996 Spring Meeting Symposium F: High Temperature Superconductor Thin Films: Growth Mechanisms-Interfaces-Multilayers
EMRS 1996 Spring Meeting Symposium F: High Temperature Superconductor Thin Films: Growth Mechanisms-Interfaces-Multilayers, Jun 1996, Strasbourg, France. pp.78-82

The growth control of thin YBa 2 Cu 3 O 7 (YBCO) film bicrystals determines the quality of Josephson junctions and weak links. Previous TEM experiments on various thin film bicrystals showed grain boundary oscillations that were not clearly explained

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cc592b8a250ddb14bc880b7831ff4f8e
https://doi.org/10.1016/s0925-8388(96)02774-0

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Chemical analysis in YBa2Cu3O7−x melt-textured samples

Autor: P. Odier, Francisco J. Gotor, Nadia Pellerin, J. Ayache

Publikováno v: Journal of Materials Research. 12:338-346

A melt-textured process that involves the peritectic reaction Y2BaCuO5 + liquid → YBa2Cu3O7−x is the best method to develop bulk YBa2Cu3O7−x superconductors with improved transport and magnetic properties. Up to this point, information regardin

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::605730aa8ddbca9ae7b1caa02ddcb4da
https://doi.org/10.1557/jmr.1997.0049

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