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Journal of Materials Science

, Volume 26, Issue 6, pp 1577–1584 | Cite as

Superconducting Y1Ba2Cu3O7-y thick films from nitrate pastes

  • L. Strom
  • E. Carnall
  • S. Ferranti
  • J. Mir
Papers

Abstract

A novel technique for forming superconducting Y1Ba2Cu3O7-y, thick films by screen printing pastes made from spray-dried nitrate powders on alumina and magnesia is described. Manufacture and characterization of nitrate powders are discussed. A model based on dissolution of yttrium nitrate is proposed to explain the rheological and film-forming properties of the nitrate pastes. Low-viscosity pastes are found to give better performance in terms of printability and quality of prints. Barium carbonate formation can be avoided by use of the nitrate pastes and by firing in an oxygen atmosphere. Superconducting thick films were achieved on single-crystal (1 0 0) MgO (T0=77 K) and on polycrystalline alumina with a prereacted barrier layer (T0=55 K).

Keywords

Oxygen Polymer Alumina Atmosphere Nitrate 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Chapman and Hall Ltd. 1991

Authors and Affiliations

  • L. Strom
    • 1
  • E. Carnall
    • 1
  • S. Ferranti
    • 1
  • J. Mir
    • 1
  1. 1.Corporate Research LaboratoriesEastman Kodak CompanyRochesterUSA

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