Engineered flux-pinning centers in Bi2Sr2CaCu2Ox and TIBa2Ca2Cu3Ox superconductors

K. C. Goretta; V. R. Todt; D. J. Miller; M. T. Lanagan; Y. L. Chen; U. Balachandran; J. Guo; J. A. Lewis

doi:10.1007/BF02653017

Engineered flux-pinning centers in Bi₂Sr₂CaCu₂O_x and TIBa₂Ca₂Cu₃O_x superconductors

K. C. Goretta, V. R. Todt, D. J. Miller, M. T. Lanagan, Y. L. Chen, U. Balachandran, J. Guo, J. A. Lewis

University of Illinois Urbana-Champaign

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

Abstract

Three methods were used to introduce flux-pinning centers into Bi₂Sr₂CaCu₂O_x (Bi-2212) and TlBa₂Ca₂Cu₃O_x (Tl-1223) samples. It was found that carbon induced local decomposition, that nanosized Al₂O₃ additions created stable reaction products, and that second phases could be isolated in Tl-1223 during synthesis. Each of these defects enhanced flux pinning and was of most benefit at temperatures ≤ 35K.

Original language	English (US)
Pages (from-to)	1961-1966
Number of pages	6
Journal	Journal of Electronic Materials
Volume	24
Issue number	12
DOIs	https://doi.org/10.1007/BF02653017
State	Published - Dec 1995

Keywords

Carbon induced decomposition
flux pinning
nanosize particles

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)
Electronic, Optical and Magnetic Materials
Materials Science(all)
Electrical and Electronic Engineering

Online availability

10.1007/BF02653017

Library availability

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Cite this

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title = "Engineered flux-pinning centers in Bi2Sr2CaCu2Ox and TIBa2Ca2Cu3Ox superconductors",

abstract = "Three methods were used to introduce flux-pinning centers into Bi2Sr2CaCu2Ox (Bi-2212) and TlBa2Ca2Cu3Ox (Tl-1223) samples. It was found that carbon induced local decomposition, that nanosized Al2O3 additions created stable reaction products, and that second phases could be isolated in Tl-1223 during synthesis. Each of these defects enhanced flux pinning and was of most benefit at temperatures ≤ 35K.",

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AU - Goretta, K. C.

AU - Todt, V. R.

AU - Miller, D. J.

AU - Lanagan, M. T.

AU - Chen, Y. L.

AU - Balachandran, U.

AU - Guo, J.

AU - Lewis, J. A.

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N2 - Three methods were used to introduce flux-pinning centers into Bi2Sr2CaCu2Ox (Bi-2212) and TlBa2Ca2Cu3Ox (Tl-1223) samples. It was found that carbon induced local decomposition, that nanosized Al2O3 additions created stable reaction products, and that second phases could be isolated in Tl-1223 during synthesis. Each of these defects enhanced flux pinning and was of most benefit at temperatures ≤ 35K.

AB - Three methods were used to introduce flux-pinning centers into Bi2Sr2CaCu2Ox (Bi-2212) and TlBa2Ca2Cu3Ox (Tl-1223) samples. It was found that carbon induced local decomposition, that nanosized Al2O3 additions created stable reaction products, and that second phases could be isolated in Tl-1223 during synthesis. Each of these defects enhanced flux pinning and was of most benefit at temperatures ≤ 35K.

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KW - flux pinning

KW - nanosize particles

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