Sucrose combustion synthesis of nanocrystalline yttrium aluminium garnet (Y3Al5O12) powder

Nanocrystalline yttrium aluminium garnet (YAG) powder has been synthesised by sucrose combustion method. A foamy mass obtained by drying a resin prepared by heating yttrium nitrate, aluminium nitrate and sucrose undergoes self-sustained combustion when initiated with a burning splinter and produces...

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Published inAdvances in applied ceramics Vol. 108; no. 4; pp. 217 - 221
Main Authors Pabhakaran, K., Ojha, P. K., Biswas, M., Chongdar, T. K., Gokhale, N. M., Sharma, S. C.
Format Journal Article
LanguageEnglish
Published London, England Taylor & Francis 01.05.2009
SAGE Publications
Subjects
COMBUSTION SYNTHESIS
NANOCRYSTALLINE MATERIALS
POWDER
YTTRIUM ALUMINIUM GARNET
YTTRIUM ALUMINIUM GARNET
COMBUSTION SYNTHESIS
POWDER
NANOCRYSTALLINE MATERIALS
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Summary:Nanocrystalline yttrium aluminium garnet (YAG) powder has been synthesised by sucrose combustion method. A foamy mass obtained by drying a resin prepared by heating yttrium nitrate, aluminium nitrate and sucrose undergoes self-sustained combustion when initiated with a burning splinter and produces YAG precursors containing amorphous oxides of yttrium and aluminium. The YAG phase has been obtained from the precursors during calcination at a relatively low temperature of 900°C without the formation of any intermediate compounds. The YAG powder prepared by planetary ball milling of the combustion product calcined at 900°C contained particles in the size range of 0·06 to 5 μm with a D 50 value of 1·04 μm and had a surface area of 21·5 m 2 g −1 . The YAG particles are aggregate of crystallites of the size nearly 30 nm.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
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ISSN:1743-6753
1743-6761
DOI:10.1179/174367608X362403