Superconductor technology: apparatus – material – process – Processes of producing or treating high temperature... – Producing halogen – containing superconductor
Patent
1993-02-16
1994-11-15
King, Roy V.
Superconductor technology: apparatus, material, process
Processes of producing or treating high temperature...
Producing halogen , containing superconductor
505730, 505731, 505785, 427 62, 427529, 4271263, B05D 306, B05D 512
Patent
active
053648358
ABSTRACT:
A method of producing an oxide superconducting material comprises the steps of adding a halogen element to an oxide superconducting material by ion injection and thermal diffusion, forming a film either on the oxide material before or after the adding step, and applying heat treatment after the forming step to improve the electric property in the near-surface portion.
REFERENCES:
patent: 4567061 (1986-01-01), Hayashi et al.
Kawazaki et al., "Compositional and Structural analyses for Optimizing the Preparation conditions of superconducting (La.sub.1-x Sr.sub.x).sub.y CuO.sub.4-.delta. films by sputtering" Jpn. J. Appl. Phys. 26(4) Apr. 1987, L388-390.
Politis et al., "Preparation and superconducting properties of La.sub.1.8 Sr.sub.0.2 CuO.sub.4 and YBa.sub.2 Cu.sub.3 O.sub.6.5 " Extended Abstract, edited by Gubser et al., Apr. 1987, pp. 141-143.
Tonouchi et al., "Hall Coefficient of La-Sr-Cu Oxide Superconducting Compound", Jpn. J. Appl. Phys. 26(4) Apr. 1987, L519-520.
King Roy V.
Semiconductor Energy Laboratory Co,. Ltd.
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