Facile synthesis of Lithium Niobate squares by a combustion route
Liu, Meinan, Xue, Dongfeng, & Luo, Chao (2006) Facile synthesis of Lithium Niobate squares by a combustion route. Journal of the American Ceramic Society, 89(5), pp. 1551-1556.
A combustion synthesis of lithium niobate (LN) squares from activated niobium oxide (Nb2 O5.nH2O) and Li2CO3 was studied to understand all the chemical reactions involved, and the nucleation and square-growth mechanisms. It was found that first the lithium ions react with the fuel (urea), then niobium ions of Nb2 O5.nH2O begin a continuous reaction with the fuel to form metal-organic complexes. LN nuclei are formed by the solid-state reaction of Li- and Nb-organic complexes at 430 degrees celcius. Lithium niobate squares are obtained in the crystallization stasge at 700 degrees celcius, which go on the grow into larger squares at 850 degrees celcius because of the agglomeration effect.
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|Item Type:||Journal Article|
|Keywords:||Lithium Niobate, Functional Materials, Combustion Synthesis Method|
|Subjects:||Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000) > MACROMOLECULAR AND MATERIALS CHEMISTRY (030300) > Synthesis of Materials (030306)|
|Deposited On:||25 Mar 2011 08:27|
|Last Modified:||01 Mar 2012 00:32|
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