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Title: Synthesis of Lithium Niobate Gels Using a Metal Alkoxide-Metal Nitrate Precursor
Authors: Zeng, H.C. 
Tung, S.K. 
Issue Date: Nov-1996
Citation: Zeng, H.C.,Tung, S.K. (1996-11). Synthesis of Lithium Niobate Gels Using a Metal Alkoxide-Metal Nitrate Precursor. Chemistry of Materials 8 (11) : 2667-2672. ScholarBank@NUS Repository.
Abstract: Gel material (Li:Nb = 1:1) of LiNbO3 has been prepared from a novel precursor system, niobium(V) ethoxide-lithium nitrate. The resultant biphasic gel is calcined at various elevated temperatures and studied with FTIR/XRD/DTA/SEM methods for gel composition, crystallization, and morphological development. The progressive formation (crystallization) of LiNbO3 is observed over the calcination temperature range 200-400 °C. It is found that grain growth and secondary recrystallization occur sequentially at higher temperatures. Retention behaviors of carbon-containing species and nitrate ions encapsulated in the gel matrix and a possible LiNbO3 formation mechanism are also addressed.
Source Title: Chemistry of Materials
ISSN: 08974756
Appears in Collections:Staff Publications

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