Photovoltaic effect and optical properties of ferroelectric thin films made by sol-gel processing

Yuhuan Xu; Ching Jih Chen; N. Desimone; John D. Mackenzie

doi:10.1117/12.22579

1 November 1990 Photovoltaic effect and optical properties of ferroelectric thin films made by sol-gel processing

Yuhuan Xu, Ching Jih Chen, N. Desimone, John D. Mackenzie

Proceedings Volume 1328, Sol-Gel Optics; (1990) https://doi.org/10.1117/12.22579
Event: 34th Annual International Technical Symposium on Optical and Optoelectronic Applied Science and Engineering, 1990, San Diego, CA, United States

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.

Citation Download Citation

Yuhuan Xu, Ching Jih Chen, N. Desimone, and John D. Mackenzie "Photovoltaic effect and optical properties of ferroelectric thin films made by sol-gel processing", Proc. SPIE 1328, Sol-Gel Optics, (1 November 1990); https://doi.org/10.1117/12.22579

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