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Annealing Behavior of Ba2Ycu3+XO7+Y Thin Films

Published online by Cambridge University Press:  28 February 2011

T. Siegrist  and
E. Coleman
T. Siegrist
Affiliation:
AT&T Bell Laboratories, 600 Mountain Avenue, Murray Hill, NJ 07974.
E. Coleman
Affiliation:
AT&T Bell Laboratories, 600 Mountain Avenue, Murray Hill, NJ 07974.
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Abstract

The annealing behavior of Ba2YCu3+xO7+y films grown by coevaporation of BaF2, Y and Cu on SrTiO3 has been studied as a function of temperature. Upon annealing at temperatures below 800°C, the phase forming first is Ba2YCu4O8, independent of the starting stoichiometry. Higher temperatures, above approximately 825 ° C are needed for Ba2YCu3O7 to crystallize.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 169: Symposium M – High Temperature Superconductors: Fundamental Properties and Novel Materials Processing , 1989 , 691
Copyright
Copyright © Materials Research Society 1990

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References

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