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Novel epitaxial growth of barium titanate thin films by electrodeposition

Published online by Cambridge University Press:  31 January 2011

Jun Tamaki ,
Gregory K. L. Goh  and
Fred F. Lange
Jun Tamaki
Affiliation:
Materials Department, University of California Santa Barbara, Santa Barbara, California 93106
Gregory K. L. Goh
Affiliation:
Materials Department, University of California Santa Barbara, Santa Barbara, California 93106
Fred F. Lange
Affiliation:
Materials Department, University of California Santa Barbara, Santa Barbara, California 93106
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Abstract

Electrodeposition was used to grow epitaxially BaTiO3 thin films on SrTiO3 single-crystal substrates with La0.7Sr0.3MnO3 (LSMO) conducting buffer layers. The epitaxial films appeared to consist of very small (ø10 nm) particles. The film completely covered the substrate when the reaction was performed at temperatures between 60 and 90 °C with LSMO potentials of –0.5 to –1.0 V against a Pt counter-electrode. It appeared that an electrophoretic force, acting on BaTiO3 nuclei within the solution, facilitated the deposition of the film.

Type
Rapid Communications
Information
Journal of Materials Research , Volume 15 , Issue 12 , December 2000 , pp. 2583 - 2586
Copyright
Copyright © Materials Research Society 2000

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