Pinning properties of melt-textured Dy123 superconductors with Dy211 in various particle sizes

K. Inoue; S. Nariki; M. Murakami

doi:10.1016/S0921-4534(02)01537-X

Pinning properties of melt-textured Dy123 superconductors with Dy211 in various particle sizes

K. Inoue, S. Nariki, M. Murakami

Department of Materials Science and Engineering

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

12 Citations (Scopus)

Abstract

We have investigated the effect of Dy₂BaCuO₅ (Dy211) particle size on the pinning properties of DyBa₂Cu₃O_7-δ by measuring the dc magnetization and the ac susceptibility. The suppression in the normalized relaxation rate (S) occurs with reducing the Dy211 particle size. The field-induced pinning is also effective in suppressing the flux creep in the intermediate filed region. The irreversibility line was located in a higher temperature and field region for the sample with the smaller Dy211 particles.

Original language	English
Pages (from-to)	755-758
Number of pages	4
Journal	Physica C: Superconductivity and its applications
Volume	378-381
Issue number	PART 1
DOIs	https://doi.org/10.1016/S0921-4534(02)01537-X
Publication status	Published - 2002 Oct 1

Keywords

Critical current density
Dy123
Interfacial pinning
Irreversibility line
Magnetic relaxation

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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title = "Pinning properties of melt-textured Dy123 superconductors with Dy211 in various particle sizes",

abstract = "We have investigated the effect of Dy2BaCuO5 (Dy211) particle size on the pinning properties of DyBa2Cu3O7-δ by measuring the dc magnetization and the ac susceptibility. The suppression in the normalized relaxation rate (S) occurs with reducing the Dy211 particle size. The field-induced pinning is also effective in suppressing the flux creep in the intermediate filed region. The irreversibility line was located in a higher temperature and field region for the sample with the smaller Dy211 particles.",

keywords = "Critical current density, Dy123, Interfacial pinning, Irreversibility line, Magnetic relaxation",

author = "K. Inoue and S. Nariki and M. Murakami",

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AU - Inoue, K.

AU - Nariki, S.

AU - Murakami, M.

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Y1 - 2002/10/1

N2 - We have investigated the effect of Dy2BaCuO5 (Dy211) particle size on the pinning properties of DyBa2Cu3O7-δ by measuring the dc magnetization and the ac susceptibility. The suppression in the normalized relaxation rate (S) occurs with reducing the Dy211 particle size. The field-induced pinning is also effective in suppressing the flux creep in the intermediate filed region. The irreversibility line was located in a higher temperature and field region for the sample with the smaller Dy211 particles.

AB - We have investigated the effect of Dy2BaCuO5 (Dy211) particle size on the pinning properties of DyBa2Cu3O7-δ by measuring the dc magnetization and the ac susceptibility. The suppression in the normalized relaxation rate (S) occurs with reducing the Dy211 particle size. The field-induced pinning is also effective in suppressing the flux creep in the intermediate filed region. The irreversibility line was located in a higher temperature and field region for the sample with the smaller Dy211 particles.

KW - Critical current density

KW - Dy123

KW - Interfacial pinning

KW - Irreversibility line

KW - Magnetic relaxation

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