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Titolo:
Growth of single-domain (Sm0.5Eu0.5)Ba2Cu3O7-delta with high T-c and J(c) by employing a thermal gradient
Autore:
Hu, A; Sakai, N; Murakami, M;
Indirizzi:
Int Superconduct Technol Ctr, Superconduct Res Lab, Minato Ku, Tokyo 105, Japan Int Superconduct Technol Ctr Tokyo Japan 105 Minato Ku, Tokyo 105, Japan
Titolo Testata:
APPLIED PHYSICS LETTERS
fascicolo: 17, volume: 78, anno: 2001,
pagine: 2539 - 2541
SICI:
0003-6951(20010423)78:17<2539:GOS(WH>2.0.ZU;2-3
Fonte:
ISI
Lingua:
ENG
Soggetto:
HIGH-TEMPERATURE SUPERCONDUCTORS; NDBA2CU3O7-DELTA SUPERCONDUCTORS; BOSON LOCALIZATION; HEAT-TREATMENT; SOLIDIFICATION; CRYSTALS; SYSTEM;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
--discip_EC--
Citazioni:
23
Recensione:
Indirizzi per estratti:
Indirizzo: Hu, A Int Superconduct Technol Ctr, Superconduct Res Lab, Minato Ku, 1-16-25 Shibaura, Tokyo 105, Japan Int Superconduct Technol Ctr 1-16-25 ShibauraTokyo Japan 105 Japan
Citazione:
A. Hu et al., "Growth of single-domain (Sm0.5Eu0.5)Ba2Cu3O7-delta with high T-c and J(c) by employing a thermal gradient", APPL PHYS L, 78(17), 2001, pp. 2539-2541

Abstract

Bulk (Sm0.5Eu0.5)Ba2Cu3O7-delta superconductors were grown isothermally and with a vertical thermal gradient of -5 degreesC/cm in air. The crystals grown at a large growth rate under the thermal gradient exhibited a high-T-cvalue of 95 K and a plateau in the J(c)-B curve at 1-4 T at 77 K with postannealing in Ar. We found that the substitution of Ba by rare-earth (RE) elements could be suppressed with a large growth rate. The narrow range of RE-Ba solid solution was attributed to the fast crystallization rate of RE1+xBa2-xCu3O7-delta with low-x values. (C) 2001 American Institute of Physics.

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Documento generato il 15/07/20 alle ore 08:28:06