Preparation and properties of OCMG-processed Gd-Ba-Cu-O bulk superconductors with very fine Gd211 particles

S. Nariki; N. Sakai; M. Murakami

doi:10.1016/S0921-4534(01)00371-9

Preparation and properties of OCMG-processed Gd-Ba-Cu-O bulk superconductors with very fine Gd211 particles

S. Nariki, N. Sakai, M. Murakami

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

42 Citations (Scopus)

Abstract

We have succeeded in enhancing J_c values of bulk Gd-Ba-Cu-O by employing fine Gd₂BaCuO₅ (Gd211) powders as precursor material. The mean diameter of Gd211 particles dispersed in the GdBa₂Cu₃O_y matrix could be reduced to 0.3 μm when we used ball-milled Gd211 starting powders <0.1 μm in average diameter. The J_c value of bulk Gd-Ba-Cu-O with refined Gd211 reached 130000 A/cm² in self-field at 77 K.

Original language	English
Pages (from-to)	811-813
Number of pages	3
Journal	Physica C: Superconductivity and its applications
Volume	357-360
Issue number	SUPPL. 2
DOIs	https://doi.org/10.1016/S0921-4534(01)00371-9
Publication status	Published - 2001 Aug
Externally published	Yes

Keywords

Critical current density
Gd-Ba-Cu-O
Melt processing

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 = "Preparation and properties of OCMG-processed Gd-Ba-Cu-O bulk superconductors with very fine Gd211 particles",

abstract = "We have succeeded in enhancing Jc values of bulk Gd-Ba-Cu-O by employing fine Gd2BaCuO5 (Gd211) powders as precursor material. The mean diameter of Gd211 particles dispersed in the GdBa2Cu3Oy matrix could be reduced to 0.3 μm when we used ball-milled Gd211 starting powders <0.1 μm in average diameter. The Jc value of bulk Gd-Ba-Cu-O with refined Gd211 reached 130000 A/cm2 in self-field at 77 K.",

keywords = "Critical current density, Gd-Ba-Cu-O, Melt processing",

author = "S. Nariki and N. Sakai and M. Murakami",

note = "Funding Information: This work is supported by the New Energy and Industrial Technology Development Organization (NEDO) as Collaborative Research and Development of Fundamental Technologies for Superconductivity Applications under the New Sunshine Program administered by the Agency of Industrial Science and Technology (AIST) of the Ministry of International Trade and Industry (MITI) of Japan. Copyright: Copyright 2005 Elsevier B.V., All rights reserved.",

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doi = "10.1016/S0921-4534(01)00371-9",

language = "English",

volume = "357-360",

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T1 - Preparation and properties of OCMG-processed Gd-Ba-Cu-O bulk superconductors with very fine Gd211 particles

AU - Nariki, S.

AU - Sakai, N.

AU - Murakami, M.

N1 - Funding Information: This work is supported by the New Energy and Industrial Technology Development Organization (NEDO) as Collaborative Research and Development of Fundamental Technologies for Superconductivity Applications under the New Sunshine Program administered by the Agency of Industrial Science and Technology (AIST) of the Ministry of International Trade and Industry (MITI) of Japan. Copyright: Copyright 2005 Elsevier B.V., All rights reserved.

PY - 2001/8

Y1 - 2001/8

N2 - We have succeeded in enhancing Jc values of bulk Gd-Ba-Cu-O by employing fine Gd2BaCuO5 (Gd211) powders as precursor material. The mean diameter of Gd211 particles dispersed in the GdBa2Cu3Oy matrix could be reduced to 0.3 μm when we used ball-milled Gd211 starting powders <0.1 μm in average diameter. The Jc value of bulk Gd-Ba-Cu-O with refined Gd211 reached 130000 A/cm2 in self-field at 77 K.

AB - We have succeeded in enhancing Jc values of bulk Gd-Ba-Cu-O by employing fine Gd2BaCuO5 (Gd211) powders as precursor material. The mean diameter of Gd211 particles dispersed in the GdBa2Cu3Oy matrix could be reduced to 0.3 μm when we used ball-milled Gd211 starting powders <0.1 μm in average diameter. The Jc value of bulk Gd-Ba-Cu-O with refined Gd211 reached 130000 A/cm2 in self-field at 77 K.

KW - Critical current density

KW - Gd-Ba-Cu-O

KW - Melt processing

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JO - Physica C: Superconductivity and its Applications

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ER -

Preparation and properties of OCMG-processed Gd-Ba-Cu-O bulk superconductors with very fine Gd211 particles

Abstract

Keywords

ASJC Scopus subject areas

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