Structural study of highly porous nanocomposite aerogels

Carta, Daniela and Corrias, Anna and Mountjoy, Gavin and Navarra, Gabriele (2007) Structural study of highly porous nanocomposite aerogels. Journal of Non-Crystalline Solids, 353 (18-21). pp. 1785-1788. ISSN 0022-3093. (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

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The structural properties of CoFe2O4-SiO2 highly porous nanocomposite aerogels have been investigated by X-ray Absorption Spectroscopy and Transmission Electron Microscopy techniques. The aerogels are obtained by supercritical drying of composite gels obtained using a two step procedure where fast gelation is achieved using urea in the second step. The formation of CoFe2O4 nanocrystals in the silica matrix begins after calcination at 750 degrees C of the parent aerogel and is complete after calcination at 900 degrees C, while the high porosity of the sample is mostly retained.

Item Type: Article
Uncontrolled keywords: nanocrystals; TEM/STEM; nanocomposites; aerogels; X-ray absorption
Subjects: Q Science
Divisions: Faculties > Science Technology and Medical Studies > School of Physical Sciences > Functional Materials Group
Depositing User: Gavin Mountjoy
Date Deposited: 03 Jul 2008 13:37
Last Modified: 15 May 2014 13:12
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