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Enhanced flux pinning of Bi-2223/Ar tapes with nano-MgO particles addition

Enhanced flux pinning of Bi-2223/Ar tapes with nano-MgO particles addition
Enhanced flux pinning of Bi-2223/Ar tapes with nano-MgO particles addition
For the purpose of producing flux pinning centers, nano-MgO particles have been introduced into (Bi,Pb)2)Sr2Ca2Cu3Ox silver-sheathed (hereafter: Bi-2223/Ag) tapes fabricated by the Rod-In-Tube (RIT) process. It is found that transport critical current density (Jc) of samples doped with nano-MgO particles is higher than that of undoped samples by a factor of 1.2 in zero applied field and about 1.4 in a magnetic field range from 0.1 to 1 T at 77 K. Well-dispersed MgO particles can be observed by SEM. These results indicate that the introduction of nano-MgO particles can effectively improve the flux pinning ability and has a little detrimental effect on the Bi-2223 superconducting matrix.
flux pinning, Bi-2223/Ag tapes, nano-MgO particles
0921-4534
46-50
Wan, Xinggong
5e4705cd-e6ac-4a2a-a3fe-346329b34d70
Sun, Yuping
2fa724e1-fcbe-42e9-aa46-c38cd9441373
Song, Wenhai
d739a6f7-454d-45a9-af9b-45e13a9f681f
Wang, Kaiyou
450fa8f1-85aa-4906-b8bc-a911354df887
Jiang, Liudi
1db61277-e00b-4966-9576-7b274d0900b6
Du, Jiaju
0aa54296-d2ca-4d3f-ad52-9224a2739475
Wan, Xinggong
5e4705cd-e6ac-4a2a-a3fe-346329b34d70
Sun, Yuping
2fa724e1-fcbe-42e9-aa46-c38cd9441373
Song, Wenhai
d739a6f7-454d-45a9-af9b-45e13a9f681f
Wang, Kaiyou
450fa8f1-85aa-4906-b8bc-a911354df887
Jiang, Liudi
1db61277-e00b-4966-9576-7b274d0900b6
Du, Jiaju
0aa54296-d2ca-4d3f-ad52-9224a2739475

Wan, Xinggong, Sun, Yuping, Song, Wenhai, Wang, Kaiyou, Jiang, Liudi and Du, Jiaju (1998) Enhanced flux pinning of Bi-2223/Ar tapes with nano-MgO particles addition. Physica C: Superconductivity and its Applications, 307 (1-2), 46-50. (doi:10.1016/S0921-4534(98)00400-6).

Record type: Article

Abstract

For the purpose of producing flux pinning centers, nano-MgO particles have been introduced into (Bi,Pb)2)Sr2Ca2Cu3Ox silver-sheathed (hereafter: Bi-2223/Ag) tapes fabricated by the Rod-In-Tube (RIT) process. It is found that transport critical current density (Jc) of samples doped with nano-MgO particles is higher than that of undoped samples by a factor of 1.2 in zero applied field and about 1.4 in a magnetic field range from 0.1 to 1 T at 77 K. Well-dispersed MgO particles can be observed by SEM. These results indicate that the introduction of nano-MgO particles can effectively improve the flux pinning ability and has a little detrimental effect on the Bi-2223 superconducting matrix.

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More information

Published date: 1998
Keywords: flux pinning, Bi-2223/Ag tapes, nano-MgO particles

Identifiers

Local EPrints ID: 23563
URI: http://eprints.soton.ac.uk/id/eprint/23563
ISSN: 0921-4534
PURE UUID: 0a818d99-6694-4e94-943c-b94177b05e9d

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Date deposited: 01 Feb 2007
Last modified: 15 Jul 2019 19:20

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Contributors

Author: Xinggong Wan
Author: Yuping Sun
Author: Wenhai Song
Author: Kaiyou Wang
Author: Liudi Jiang
Author: Jiaju Du

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