An efficient approach for the direct synthesis of lithium niobate powders
Liu, Meinan & Xue, Dongfeng (2006) An efficient approach for the direct synthesis of lithium niobate powders. Solid State Ionics, 177(3-4), pp. 275-280.
Lithium niobate powders from the raw powders of Li2 O5 are directly synthesized by a combustion method with urea fuel. The synthesis parameters (e.g. the calcination temperature, calcination time, and urea-to-(Li2 CO3 + Nb2 O5) quantity ratio) are studied to reveal the optimized synthesis conditions for preparing high-quality lithium niobate powders. In our present work, it is found that a urea-to-(Li2 CO3 + Nb2 O5) ratio close to 3, calcination temperature at 550-600 degrees and reaction time around 2.5h may lead to high-quality lithium niobate powsers. The microstructure of synthesized powders is further studied; a possible mechanism of the involved reactions is also proposed.
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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)|
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering|
Past > Schools > School of Engineering Systems
|Deposited On:||24 Mar 2011 09:03|
|Last Modified:||01 Mar 2012 00:32|
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