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Proceedings Paper

Photovoltaic effect and optical properties of ferroelectric thin films made by sol-gel processing
Author(s): Yuhuan Xu; Ching Jih Chen; N. Desimone; John D. Mackenzie
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Paper Abstract

Ferroelectric thin films including undoped and doped PZT (lead zirconate titanate), BaTiO3 (barium titanate), SBN (strontium barium niobate), KNbO3 (potassium niobate), PBN (lead barium niobate), KNSBN (potassium sodium strontium barium niobate), and LiNbO3 (lithium niobate) were made on silicon and fused silica substrates by a sol-gel process. A heterojunction effect was observed in ferroelectric thin films on both n-silicon and p-silicon through measurement of I- V characteristics, and by the demonstration ofa photocurrent effect. Transparent and preferentially orientated SBN thin films on fused silica substrates can be obtained by applying a d.c. electric field during heat treatment. The films have structral and optical anisotropies as well as photorefractive properties. Two-wave mixing experiment was demonstrated by using these films and a maxmum holographic efficiency of near 1% was obtained.

Paper Details

Date Published: 1 November 1990
PDF: 13 pages
Proc. SPIE 1328, Sol-Gel Optics, (1 November 1990); doi: 10.1117/12.22579
Show Author Affiliations
Yuhuan Xu, Univ. of California/Los Angeles (United States)
Ching Jih Chen, Univ. of California/Los Angeles (United States)
N. Desimone, Univ. of California/Los Angeles (United States)
John D. Mackenzie, Univ. of California/Los Angeles (United States)

Published in SPIE Proceedings Vol. 1328:
Sol-Gel Optics
John D. Mackenzie; Donald R. Ulrich, Editor(s)

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