Field dependence of Jc for melt textured filamentary (Nd, Sm, Eu, Gd)-Ba-Cu-O superconductors

F. Takeuchi; T. Goto; K. Watanabe

doi:10.1016/S0921-4534(00)01003-0

Field dependence of J_c for melt textured filamentary (Nd, Sm, Eu, Gd)-Ba-Cu-O superconductors

F. Takeuchi, T. Goto, K. Watanabe

High Field Laboratory for Superconducting Materials

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

Abstract

We have synthesized the filamentary LRE (LRE=Nd, Sm, Eu, Gd) 123 superconductors by solution spinning and melt growth process in flowing 1%O₂+Ar (OCMG). The effect of heating condition for oxygenation on the field dependence of J_c at 77 K of the filamentary (Nd, Sm, Eu, Gd) 123 superconductors was examined. High J_c value of 6100 A/cm² at 77 K and 9 T was measured by controlling the heating condition. The T_c of the sample was 95 K with ΔT_c=1.5 K. The pinning properties of the sample were examined by extended analysis of volume pinning force and it was found that Δκ-point pinning was dominant in this case.

Original language	English
Pages (from-to)	1447-1448
Number of pages	2
Journal	Physica C: Superconductivity and its applications
Volume	341-348
Issue number	PART 2
DOIs	https://doi.org/10.1016/S0921-4534(00)01003-0
Publication status	Published - 2000 Jan 1

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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10.1016/S0921-4534(00)01003-0

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abstract = "We have synthesized the filamentary LRE (LRE=Nd, Sm, Eu, Gd) 123 superconductors by solution spinning and melt growth process in flowing 1%O2+Ar (OCMG). The effect of heating condition for oxygenation on the field dependence of Jc at 77 K of the filamentary (Nd, Sm, Eu, Gd) 123 superconductors was examined. High Jc value of 6100 A/cm2 at 77 K and 9 T was measured by controlling the heating condition. The Tc of the sample was 95 K with ΔTc=1.5 K. The pinning properties of the sample were examined by extended analysis of volume pinning force and it was found that Δκ-point pinning was dominant in this case.",

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AB - We have synthesized the filamentary LRE (LRE=Nd, Sm, Eu, Gd) 123 superconductors by solution spinning and melt growth process in flowing 1%O2+Ar (OCMG). The effect of heating condition for oxygenation on the field dependence of Jc at 77 K of the filamentary (Nd, Sm, Eu, Gd) 123 superconductors was examined. High Jc value of 6100 A/cm2 at 77 K and 9 T was measured by controlling the heating condition. The Tc of the sample was 95 K with ΔTc=1.5 K. The pinning properties of the sample were examined by extended analysis of volume pinning force and it was found that Δκ-point pinning was dominant in this case.

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