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Preparation and Properties of High-Tc Superconducting Bi(Pb)-Sr-Ca-Cu-O Thick Films by a Melting-Quenching-Annealing Method

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Surface Science

Part of the book series: Springer Proceedings in Physics ((SPPHY,volume 62))

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Abstract

We have prepared superconducting Bi(Pb)-Sr-Ca-Cu-O thick films (30–100 μm) on MgO (100) substrates using a rapid melting-quenching-ànnealing method. A layer of Bi1.6Pb.4Sr2Ca2- Cu3.6Ox mixture on MgO (100) substrates was melted at 1050 °C for typically 2 min. The samples were then directly cooled to room temperature. After an annealing at 860 °C for about lOh in air the films exhibited superconductivity with Tc(zero) = 108 K. The critical current densities at 77 K and zero magnetic field were about 103 A/cm2. Morphology and composition of the films were investigated by SEM, EDX and X-ray diffraction measurements.

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Authors and Affiliations

  1. Departamento de Física, Universidad del Valle, Apartado Aéreo 25360, Cali., Colombia

    M. E. Gómez, L. F. Castro, G. Bolaños, O. Morán & P. Prieto

Authors
  1. M. E. Gómez
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  2. L. F. Castro
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  3. G. Bolaños
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  4. O. Morán
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  5. P. Prieto
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Editor information

Editors and Affiliations

  1. Xerox Corp., Palo Alto Research Center, 3333 Coyote Hill Road, 94304, Palo Alto, CA, USA

    Fernando A. Ponce

  2. Max-Planck-Institut für Festkörperforschung, Heisenbergstrasse 1, W-7000, Stuttgart 80, Fed. Rep. of Germany

    Manuel Cardona

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© 1992 Springer-Verlag Berlin Heidelberg

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Gómez, M.E., Castro, L.F., Bolaños, G., Morán, O., Prieto, P. (1992). Preparation and Properties of High-Tc Superconducting Bi(Pb)-Sr-Ca-Cu-O Thick Films by a Melting-Quenching-Annealing Method. In: Ponce, F.A., Cardona, M. (eds) Surface Science. Springer Proceedings in Physics, vol 62. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-76376-2_68

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  • DOI: https://doi.org/10.1007/978-3-642-76376-2_68

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-76378-6

  • Online ISBN: 978-3-642-76376-2

  • eBook Packages: Springer Book Archive

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