Pinning properties of Gd-Ba-Cu-O bulk superconductor fabricated by cold seeding method

Kazuo Inoue; Naomichi Sakai; Shinya Nariki; Masato Murakami

doi:10.1016/S0921-4534(02)02543-1

Pinning properties of Gd-Ba-Cu-O bulk superconductor fabricated by cold seeding method

Kazuo Inoue, Naomichi Sakai, Shinya Nariki, Masato Murakami

Department of Materials Science and Engineering

Research output: Contribution to journal › Conference article › peer-review

4 Citations (Scopus)

Abstract

Gd-Ba-Cu-O bulk superconductor was fabricated with a cold seeding method. We have optimized the conditions to grow a single domain. The critical current density of the central region of the bulk was lower than the outer region in a lower magnetic field. However, the secondary peak was more remarkable. Such results are correlated with spatial fluctuation in the volume fraction of 211 phase particles.

Original language	English
Pages (from-to)	407-408
Number of pages	2
Journal	Physica C: Superconductivity and its applications
Volume	388-389
DOIs	https://doi.org/10.1016/S0921-4534(02)02543-1
Publication status	Published - 2003 May 1
Event	proceedings of the 23rd international conference on low temper - Hiroshima, Japan Duration: 2002 Aug 20 → 2002 Aug 27

Keywords

Critical current density
Gd123
Pinning

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Energy Engineering and Power Technology
Electrical and Electronic Engineering

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T1 - Pinning properties of Gd-Ba-Cu-O bulk superconductor fabricated by cold seeding method

AU - Inoue, Kazuo

AU - Sakai, Naomichi

AU - Nariki, Shinya

AU - Murakami, Masato

PY - 2003/5/1

Y1 - 2003/5/1

N2 - Gd-Ba-Cu-O bulk superconductor was fabricated with a cold seeding method. We have optimized the conditions to grow a single domain. The critical current density of the central region of the bulk was lower than the outer region in a lower magnetic field. However, the secondary peak was more remarkable. Such results are correlated with spatial fluctuation in the volume fraction of 211 phase particles.

AB - Gd-Ba-Cu-O bulk superconductor was fabricated with a cold seeding method. We have optimized the conditions to grow a single domain. The critical current density of the central region of the bulk was lower than the outer region in a lower magnetic field. However, the secondary peak was more remarkable. Such results are correlated with spatial fluctuation in the volume fraction of 211 phase particles.

KW - Critical current density

KW - Gd123

KW - Pinning

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EP - 408

JO - Physica C: Superconductivity and its Applications

JF - Physica C: Superconductivity and its Applications

SN - 0921-4534

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