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Aligned gadolinium barium copper oxide thick films formed by in situ crystallization in a magnetic field

Published online by Cambridge University Press:  03 March 2011

Joanna McKittrick
Affiliation:
Materials Science Program, University of California–San Diego, La Jolla, California 92093
Ramiro Contreras
Affiliation:
Materials Science Program, University of California–San Diego, La Jolla, California 92093
Dennis Clougherty
Affiliation:
Department of Physics, University of Vermont, Burlington, Vermont 05405
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Abstract

Gd-1:2:3 films were synthesized from acetate precursors and spun-on to polycrystalline substrates of yttria-stabilized zirconia. The substrates were fired in air at 500 °C in between each applied coat. After applying 10–30 coats, they were crystallized by heating to 900 °C in Ar or O2 with or without the application of a 1 T magnetic field. The applied magnetic field was found to produce c-axis alignment for films <4 μm. Annealing in argon produced alignment, but the effect was less pronounced than annealing in oxygen. Substrates with films > 20 μm were not aligned for either environment.

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Articles
Copyright
Copyright © Materials Research Society 1993

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References

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