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Title: Influence of calcination conditions on phase formation and particle size of indium niobate powders synthesized by the solid-state reaction
Authors: S. Wongsaenmai
R. Yimnirun
S. Ananta
Keywords: Engineering
Materials Science
Issue Date: 1-Jun-2007
Abstract: A wolframite-type phase of indium niobate, InNbO4, has been synthesized by a solid-state reaction via a rapid vibro-milling technique. The formation of the InNbO4phase in the calcined powders has been investigated as a function of calcination conditions by TG-DTA and XRD techniques. Morphology, particle size and chemical composition have been determined via a combination of SEM and EDX techniques. Single-phase InNbO4powders have been obtained successfully for calcination condition of 900°C for 4h or 950°C for 2h with heating/cooling rates of 30°C/min. Higher temperatures and longer dwell times clearly favoured particle growth and the formation of large and hard agglomerates. © Springer Science+Business Media, LLC 2007.
ISSN: 15734803
Appears in Collections:CMUL: Journal Articles

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