Control of structural type and particle size in alumina synthesized by the spray pyrolysis method

Fine particles of aluminum oxide (amorphous, α, γ and θ) have been synthesized by spray pyrolysis as a function of both in situ and annealing temperatures and nature of precursors used in the preparation method. A scanning electron micrograph study shows as-received materials constituted by filled s...

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Bibliographic Details
Published inSolid state ionics Vol. 101; pp. 197 - 203
Main Authors Vallet-Regí, M., Rodríguez-Lorenzo, L.M., Ragel, C.V., Salinas, A.J., González-Calbet, J.M.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.11.1997
Subjects
Alumina
Ceramics
Spray pyrolysis
Synthetic pathway
Synthetic pathway
Spray pyrolysis
Ceramics
Alumina
Al 2O 3
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Summary:Fine particles of aluminum oxide (amorphous, α, γ and θ) have been synthesized by spray pyrolysis as a function of both in situ and annealing temperatures and nature of precursors used in the preparation method. A scanning electron micrograph study shows as-received materials constituted by filled spherical particles, the ulterior annealing leading to the formation of small crystallites on the precursor spheres.
ISSN:0167-2738
1872-7689
DOI:10.1016/S0167-2738(97)84031-3