Controlled thallous oxide evaporation for thallium superconducto

Details Controlled thallous oxide evaporation for thallium superconducto Controlled thallous oxide evaporation for thallium superconducto

1990-04-27

1992-08-18

Kunemund, Robert

Superconductor technology: apparatus, material, process

High temperature , per se

Having tc greater than or equal to 150 k

505729, 505783, 722245, 722247, 118715, C01F 1102

Patent

active

051399989

ABSTRACT:
Methods and reactors are described for the production of thallium cuprate based high temperature superconductor films on a variety of substrates. The reactors provide for low volume cavities, means for rapidly heating and cooling to and from a predetermined elevated temperature and control of the thallium oxide overpressure during the processing. Uniform high temperature superconducting films are obtained while inhibiting reaction between the substrate and superconducting film during the processing.

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Kikushi et al., "Synthesis and Superconductivity of a New High-Tc Tl-Ba-Ca-Cu-O Phase", Japanese Journal of Applied Physics, vol. 27, No. 6, Jun. 1988 pp. L1050-L1053.

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