Ferroelectric glass nanocomposites

Eric P. Bescher; Yuhuan Xu; John D. Mackenzie

doi:10.1117/12.284135

2 October 1997 Ferroelectric glass nanocomposites

Eric P. Bescher, Yuhuan Xu, John D. Mackenzie

Proceedings Volume 3136, Sol-Gel Optics IV; (1997) https://doi.org/10.1117/12.284135
Event: Optical Science, Engineering and Instrumentation '97, 1997, San Diego, CA, United States

Abstract

This study of the sol-gel growth of ferroelectric particles in glass is divided into two sections: The first part deals with the growth of fine crystals of BaTiO₃ and LINbO₃ in SiO₂ glass, the second is concerned with the materials resulting from the modification of the oxide matrix with a silsesquioxane precursor RSiO_1.5, in which R is the optically active organic dinitrophenyltrimethoxysilane, a derivative of aniline. For temperatures as low as 200 degrees Celsius, small semi-crystalline structures have been observed via TEM; they grow in size and concentration with time and heat treatment temperature. P-E loops have been observed in the materials. The organically modified lithium niobium and barium titanium siloxanes also exhibit P-E loops. An interaction between TDP and the barium-titanium metal alkoxides has been observed through a strong red shift in the absorption spectrum of the TDP. This interaction was not observed in the case of lithium-niobium precursors.

Citation Download Citation

Eric P. Bescher, Yuhuan Xu, and John D. Mackenzie "Ferroelectric glass nanocomposites", Proc. SPIE 3136, Sol-Gel Optics IV, (2 October 1997); https://doi.org/10.1117/12.284135

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