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A Novel Spray Pyrolysis System for the Deposition of High Tc Superconductors

Published online by Cambridge University Press:  28 February 2011

Toby J. Cumberbatch ,
Stephen Deane ,
Paul E. Barden  and
R. Yu
Toby J. Cumberbatch
Affiliation:
Interdisciplinary Research Centre in Superconductivity, The Cavendish Laboratory, Madingly Road, Cambridge CB3 OHE, England.
Stephen Deane
Affiliation:
Department of Engineering, University of Cambridge, Trumpington Street, Cambridge CB2 1PZ, England.
Paul E. Barden
Affiliation:
Department of Engineering, University of Cambridge, Trumpington Street, Cambridge CB2 1PZ, England.
R. Yu
Affiliation:
Department of Engineering, University of Cambridge, Trumpington Street, Cambridge CB2 1PZ, England.
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Abstract

A spray pyrolysis system has been developed in which the use of airless atomisation and optical heating permits the deposition of thin film superconductors at growth surface temperatures exceeding 650*C. A comparison between centrifugal and hydrodynamic atomisation techniques shows that each possesses advantages and disadvantages for the deposition of thin films by this technique. The presence of a corona discharge has been found to be an essential ingredient for growth at high substrate temperatures.

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References

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