Enhancement of trapped fields of large-grain Nd-Ba-Cu-O superconductors

M. Matsui; S. Nariki; N. Sakai; M. Murakami

doi:10.1088/0953-2048/15/5/328

Enhancement of trapped fields of large-grain Nd-Ba-Cu-O superconductors

M. Matsui, S. Nariki, N. Sakai, M. Murakami

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

We synthesized c-axis-oriented Nd-Ba-Cu-O bulk superconductors to investigate the effect of densification on the trapped fields. We found that the employment of the pre-sintering process in pure oxygen prior to melt-processing was effective in increasing the density of the grown crystal and also in depressing the deformation and liquid loss that enhanced misorientation angles between grains and the inhomogeneity of superconducting properties. This led to the enhancement of the trapped field.

Original language	English
Pages (from-to)	781-785
Number of pages	5
Journal	Superconductor Science and Technology
Volume	15
Issue number	5
DOIs	https://doi.org/10.1088/0953-2048/15/5/328
Publication status	Published - 2002 May 1
Externally published	Yes

ASJC Scopus subject areas

Ceramics and Composites
Condensed Matter Physics
Metals and Alloys
Electrical and Electronic Engineering
Materials Chemistry

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AB - We synthesized c-axis-oriented Nd-Ba-Cu-O bulk superconductors to investigate the effect of densification on the trapped fields. We found that the employment of the pre-sintering process in pure oxygen prior to melt-processing was effective in increasing the density of the grown crystal and also in depressing the deformation and liquid loss that enhanced misorientation angles between grains and the inhomogeneity of superconducting properties. This led to the enhancement of the trapped field.

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Enhancement of trapped fields of large-grain Nd-Ba-Cu-O superconductors

Abstract

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