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Space-Confined Formation of FePt Nanoparticles in Ordered Mesoporous Silica SBA-15†
Article first published online: 11 SEP 2007
Copyright © 2007 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
Volume 19, Issue 19, pages 3021–3026, October, 2007
How to Cite
Kockrick, E., Krawiec, P., Schnelle, W., Geiger, D., Schappacher, F. M., Pöttgen, R. and Kaskel, S. (2007), Space-Confined Formation of FePt Nanoparticles in Ordered Mesoporous Silica SBA-15. Adv. Mater., 19: 3021–3026. doi: 10.1002/adma.200601367
- Issue published online: 1 OCT 2007
- Article first published online: 11 SEP 2007
- Manuscript Revised: 2 MAR 2007
- Manuscript Received: 20 JUN 2006
- Mesoporous materials;
- Silica, mesoporous
FePt nanoparticles inside ordered mesoporous silica SBA-15 were synthesized via incipient wetness impregnation and subsequent thermal treatments in reductive atmosphere. The porous matrix is used to prevent sintering and agglomeration during the fcc–FePt to fct–FePt phase transition. According to magnetic measurements and Mössbauer spectroscopic studies, the resulting FePt@SBA-15 composites are ferromagnetic.