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Enhancement of the 77 K critical currents on thin textured Bi-2212 rods by controlled distribution of secondary phases

Enhancement of the 77 K critical currents on thin textured Bi-2212 rods by controlled distribution of secondary phases
Enhancement of the 77 K critical currents on thin textured Bi-2212 rods by controlled distribution of secondary phases
Long and thin Bi-2212 rods textured by laser induced zone melting show inhomogeneous radial distribution of secondary phases and Bi concentration in transverse cross-sections. The microstructure inhomogeneity, which depends on the growth conditions, is reflected in the physical properties of the samples. We have estimated the radial distribution of Jc (77 K) in different samples using destructive and non-destructive approaches, correlating these results with the microstructure variations. Using this knowledge, the conductor performance at 77 K has been optimised by controlling the distribution of secondary phases.
bi-2212, homogeneity, ac losses, critical current profile
0921-4534
1055-1058
Natividad, E.
3bd62823-5bf3-4463-8f24-73af622966e2
Angurel, L.A.
94b4aa21-98e0-468a-b16e-360aff55b5d1
Diez, J.C.
413016ce-0bc8-4f90-8758-44e56c903d45
Navarro, R.
bffc50db-f03c-424f-97f1-044284e9a178
Martinez, E.
67ed8d9b-3213-4797-aeae-1c9e6985e48f
Yang, Y.
4cac858a-e0c0-4174-a839-05ca394fc51f
Beduz, C.
2cbc6ece-3e8b-454b-86d6-3960596bd234
Natividad, E.
3bd62823-5bf3-4463-8f24-73af622966e2
Angurel, L.A.
94b4aa21-98e0-468a-b16e-360aff55b5d1
Diez, J.C.
413016ce-0bc8-4f90-8758-44e56c903d45
Navarro, R.
bffc50db-f03c-424f-97f1-044284e9a178
Martinez, E.
67ed8d9b-3213-4797-aeae-1c9e6985e48f
Yang, Y.
4cac858a-e0c0-4174-a839-05ca394fc51f
Beduz, C.
2cbc6ece-3e8b-454b-86d6-3960596bd234

Natividad, E., Angurel, L.A., Diez, J.C., Navarro, R., Martinez, E., Yang, Y. and Beduz, C. (2002) Enhancement of the 77 K critical currents on thin textured Bi-2212 rods by controlled distribution of secondary phases. Physica C: Superconductivity and its Applications, 372-376 (2), 1055-1058. (doi:10.1016/S0921-4534(02)00841-9).

Record type: Article

Abstract

Long and thin Bi-2212 rods textured by laser induced zone melting show inhomogeneous radial distribution of secondary phases and Bi concentration in transverse cross-sections. The microstructure inhomogeneity, which depends on the growth conditions, is reflected in the physical properties of the samples. We have estimated the radial distribution of Jc (77 K) in different samples using destructive and non-destructive approaches, correlating these results with the microstructure variations. Using this knowledge, the conductor performance at 77 K has been optimised by controlling the distribution of secondary phases.

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More information

Published date: 2002
Keywords: bi-2212, homogeneity, ac losses, critical current profile

Identifiers

Local EPrints ID: 22697
URI: http://eprints.soton.ac.uk/id/eprint/22697
ISSN: 0921-4534
PURE UUID: 80d44433-b0d3-44aa-815e-bfe5ac6fdde8
ORCID for Y. Yang: ORCID iD orcid.org/0000-0002-3874-6735

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Date deposited: 24 Mar 2006
Last modified: 20 Jul 2019 01:21

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Contributors

Author: E. Natividad
Author: L.A. Angurel
Author: J.C. Diez
Author: R. Navarro
Author: E. Martinez
Author: Y. Yang ORCID iD
Author: C. Beduz

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