Field dependence of trapped fields in (Nd, Eu, Gd)-Ba-Cu-O bulk superconductors

M. Muralidhar; T. Miyamoto; M. Murakami

doi:10.1088/0953-2048/13/6/325

Field dependence of trapped fields in (Nd, Eu, Gd)-Ba-Cu-O bulk superconductors

M. Muralidhar, T. Miyamoto, M. Murakami

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

9 Citations (Scopus)

Abstract

Magnetized high-T_c superconducting discs and rings offer the opportunity to produce much stronger magnetic fields than conventional permanent magnets. In this study single-domain (Nd, Eu, Gd)-Ba-Cu-O bulk samples have been fabricated with various NEG-211 contents. The maximum trapped fields of melt grown blocks were measured as a function of external field and compared with the J_c-B properties of small specimens. Both measurements showed a similar field dependency, which implies that the same pinning mechanism is active even in large melt-grown blocks.

Original language	English
Pages (from-to)	756-760
Number of pages	5
Journal	Superconductor Science and Technology
Volume	13
Issue number	6
DOIs	https://doi.org/10.1088/0953-2048/13/6/325
Publication status	Published - 2000 Jun 1
Externally published	Yes
Event	The 2nd International Workshop on the Processing and Applications of Superconducting (RE)CBO Large Grain Materials - Morioka, Jpn Duration: 1999 Oct 19 → 1999 Oct 22

ASJC Scopus subject areas

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

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abstract = "Magnetized high-Tc superconducting discs and rings offer the opportunity to produce much stronger magnetic fields than conventional permanent magnets. In this study single-domain (Nd, Eu, Gd)-Ba-Cu-O bulk samples have been fabricated with various NEG-211 contents. The maximum trapped fields of melt grown blocks were measured as a function of external field and compared with the Jc-B properties of small specimens. Both measurements showed a similar field dependency, which implies that the same pinning mechanism is active even in large melt-grown blocks.",

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T1 - Field dependence of trapped fields in (Nd, Eu, Gd)-Ba-Cu-O bulk superconductors

AU - Muralidhar, M.

AU - Miyamoto, T.

AU - Murakami, M.

PY - 2000/6/1

Y1 - 2000/6/1

N2 - Magnetized high-Tc superconducting discs and rings offer the opportunity to produce much stronger magnetic fields than conventional permanent magnets. In this study single-domain (Nd, Eu, Gd)-Ba-Cu-O bulk samples have been fabricated with various NEG-211 contents. The maximum trapped fields of melt grown blocks were measured as a function of external field and compared with the Jc-B properties of small specimens. Both measurements showed a similar field dependency, which implies that the same pinning mechanism is active even in large melt-grown blocks.

AB - Magnetized high-Tc superconducting discs and rings offer the opportunity to produce much stronger magnetic fields than conventional permanent magnets. In this study single-domain (Nd, Eu, Gd)-Ba-Cu-O bulk samples have been fabricated with various NEG-211 contents. The maximum trapped fields of melt grown blocks were measured as a function of external field and compared with the Jc-B properties of small specimens. Both measurements showed a similar field dependency, which implies that the same pinning mechanism is active even in large melt-grown blocks.

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EP - 760

JO - Superconductor Science and Technology

JF - Superconductor Science and Technology

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T2 - The 2nd International Workshop on the Processing and Applications of Superconducting (RE)CBO Large Grain Materials

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Field dependence of trapped fields in (Nd, Eu, Gd)-Ba-Cu-O bulk superconductors

Abstract

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