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Effect of Substrate on the Early Stages of the Growth of YBa2Cu3O7-δ Thin-Films

Published online by Cambridge University Press:  16 February 2011

M. Grant Norton  and
C. Barry Carter
M. Grant Norton
Affiliation:
Department of Materials Science and Engineering, Cornell University, Ithaca, NY 14853.
C. Barry Carter
Affiliation:
Department of Materials Science and Engineering, Cornell University, Ithaca, NY 14853.
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Abstract

The fabrication of high-quality thin-films often depends on the early stages of the growth process during which epitaxy is established. The substrate structure and orientation generally play a critical role at this stage through epitaxy and interaction or reaction. Many different materials are being used as substrates to support thin-films of the YBa2Cu3O7-δ superconductors. In this study the early stages of the growth of YBa2Cu3O7-δ thin-films have been investigated using transmission electron microscopy (TEM). Using pulsed-laser ablation, ultra-thin films were formed directly onto self-supporting, ion-thinned, single-crystal ceramic substrates. The substrates used were (001)-oriented MgO, (001)-oriented SrTiO3 and (001)-oriented LaAlO3.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 191: Symposium N – Laser Ablation for Materials Synthesis , 1990 , 165
Copyright
Copyright © Materials Research Society 1990

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References

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