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Proceedings Paper

Autostoichiometric vapor-gel deposition of ferroelectric thin films
Author(s): Ren Xu
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Paper Abstract

An autostoichiometric vapor gel deposition approach is demonstrated for ferroelectric LiTaO3 and LiNbO3 thin films. This approach utilizes the partial hydrolysis of hygroscopic alkoxide in the vapor phase, and the subsequent polycondensation on a heated substrate. Epitaxial films with precisely controlled stoichiometry were obtained. Ultra low temperature deposition was achieved taking advantage of the inherently low temperature sol-gel chemistry. The vapor phase hydrolysis of alkoxides provided a mild deposition reaction that allows for the autostoichiometric deposition. The vapor gel method appears to possess the combined advantages of sol- gel processing and MOCVD.

Paper Details

Date Published: 2 October 1997
PDF: 8 pages
Proc. SPIE 3136, Sol-Gel Optics IV, (2 October 1997); doi: 10.1117/12.284133
Show Author Affiliations
Ren Xu, Univ. of Utah (United States)

Published in SPIE Proceedings Vol. 3136:
Sol-Gel Optics IV
Bruce S. Dunn; John D. Mackenzie; Edward J. A. Pope; Helmut K. Schmidt; Masayuki Yamane, Editor(s)

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