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Titolo:
Effect of ZrO2BaZrO3 addition on the microstructure and superconducting properties of melt processed NdBa2Cu3O7-delta
Autore:
Matsui, M; Sakai, N; Nariki, S; Murakami, M;
Indirizzi:
Int Superconduct Technol Ctr, Superconduct Res Lab, Minato Ku, Tokyo 1050023, Japan Int Superconduct Technol Ctr Tokyo Japan 1050023 u, Tokyo 1050023, Japan
Titolo Testata:
PHYSICA C
, volume: 357, anno: 2001,
parte:, 1
pagine: 697 - 701
SICI:
0921-4534(200108)357:<697:EOZAOT>2.0.ZU;2-5
Fonte:
ISI
Lingua:
ENG
Soggetto:
PARTICLES; CEO2;
Keywords:
Nd-Ba-Cu-O; Zr addition; segregation;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
5
Recensione:
Indirizzi per estratti:
Indirizzo: Matsui, M Int Superconduct Technol Ctr, Superconduct Res Lab, Minato Ku, 1-16-25 Shibaura, Tokyo 1050023, Japan Int Superconduct Technol Ctr 1-16-25 Shibaura Tokyo Japan 1050023
Citazione:
M. Matsui et al., "Effect of ZrO2BaZrO3 addition on the microstructure and superconducting properties of melt processed NdBa2Cu3O7-delta", PHYSICA C, 357, 2001, pp. 697-701

Abstract

We investigated the microstructure and superconducting properties of the Nd-Ba-Cu-O with 0-1.0 wt.% ZrO2 and 0-2.24 wt.% BaZrO3 synthesized by the oxygen-controlled melt-growth process in 1% O-2-Ar atmosphere. The microstructure of Zr-added NdBCO was not homogeneous, and one could observe the segregation of Nd422 particles, the residual liquid phase including the agglomeration of BaZrO3 particles and the Nd422-free regions. Such inhomogeneity iscaused by the strong influence of BaZrO3 on the solid/liquid interfacial energy during the melt growth. (C) 2001 Elsevier Science B.V. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 05/07/20 alle ore 12:34:25