Sol-gel derived BaTiO3 thin films

Xiaoli Xiang; Lisong Hou; Fuxi Gan

doi:10.1117/12.47235

1 November 1991 Sol-gel-derived BaTiO₃ thin films

Xiaoli Xiang, Lisong Hou, Fuxi Gan

Proceedings Volume 1519, International Conference on Thin Film Physics and Applications; (1991) https://doi.org/10.1117/12.47235
Event: International Conference on Thin Film Physics and Applications, 1991, Shanghai, China

Abstract

The challenge in making films specifically for optical devices lies in obtaining transparent films with sufficient crystallization and preferential orientation of the crystallites with respect to the substrates. Transparent BaTiO₃, thin films have been prepared by the sol-gel process in our laboratory. The precursors were barium isopropoxide, titanium tetrabutoxide with isopropanol as solvent, and glacial acetic acid and acetylacetone as catalysts. By firing, transitions from amorphous to polycrystalline of the films took place in the temperature range of 600 - 650 degree(s)C. In order to obtain crack-free, more condensed films with preferential orientation and good electro-optic properties, strontium titanate single crystal (100) substrate is recommended.

Citation Download Citation

Xiaoli Xiang, Lisong Hou, and Fuxi Gan "Sol-gel-derived BaTiO₃ thin films", Proc. SPIE 1519, International Conference on Thin Film Physics and Applications, (1 November 1991); https://doi.org/10.1117/12.47235

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