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A systematic study of the synthesis of useful Tl2Ba2Ca2Cu3O10−δ bulk superconductor

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Abstract

A method to synthesize high density Tl2Ba2Ca2Cu3O10−δ bulk superconductor with uniformity from presintered powder of the 2223 phase material was developed. With a proper annealing process, the transport critical current density and the material density of such a synthesized superconductor are much improved over those of the starting material. The critical temperature and phase purity of this material are also enhanced. In this paper, we report our systematic study on some basic parameters of this material, including the normal state resistivity, Tc, Jc, phase purity, and morphology produced under different annealing conditions. An optimum preparation technique is then derived.

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Authors and Affiliations

  1. Midwest Superconductivity, Inc., Kansas, 66049, Lawrence, USA

    Y. Xin

  2. Department of Physics and Astronomy, University of Kansas, Kansas, 66045, Lawrence, USA

    B. R. Xu, D. F. Lu, G. F. Sun & K. W. Wong

  3. Department of Mechanical Engineering, University of Arkansas, Arkansas, 72701, Fayetteville, USA

    S. Nasrazadani

  4. Midwest Superconductivity, Inc., Kansas, 66049, Lawrence, USA

    W. S. He & D. Knapp

Authors
  1. Y. Xin
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  2. B. R. Xu
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  3. S. Nasrazadani
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  4. W. S. He
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  5. D. F. Lu
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  6. G. F. Sun
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  7. K. W. Wong
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  8. D. Knapp
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Xin, Y., Xu, B.R., Nasrazadani, S. et al. A systematic study of the synthesis of useful Tl2Ba2Ca2Cu3O10−δ bulk superconductor. Journal of Materials Research 9, 1672–1677 (1994). https://doi.org/10.1557/JMR.1994.1672

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  • DOI: https://doi.org/10.1557/JMR.1994.1672

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