Sol-Gel Processing of Some Electroceramic Powders

Authors: Komarneni, S.; Abothu, I.R.; Prasada Rao, A.V.

Source: Journal of Sol-Gel Science and Technology, Volume 15, Number 3, September 1999 , pp. 263-270(8)

Publisher: Springer

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Abstract:

This review deals with the solution-sol-gel processing (SSG) of powders such as BaTiO_3, MgTiO_3, PbTiO_3, Bi_4Ti_3O_12, La_2Ti_2O_7, Pb(Zr_0.52Ti_0.48)O_3, Pb(Mg_1/3Nb_2/3)O_3 and Ba(Mg_1/3Ta_2/3)O_3. Fine powders of good sinterability can be easily obtained at low temperatures although the process can be expensive and time consuming. We propose a nanocomposite route which utilizes nanophases of different components as a cost-effective alternative to sol-gel process for powder preparation.

Keywords: barium magnesium tantalate; barium titanate; bismuth titanate; lanthanum titanate; lead magnesium titanate; lead titanate; lead zirconium titanate; magnesium titanate; processing; sol-gel

Document Type: Regular Paper

Affiliations: Materials Research Laboratory, The Pennsylvania State University, University Park, PA 16802, USA

Publication date: September 1, 1999

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