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Título: | Single-step nanoengineering of silica coated maghemite hollow spheres with tunable magnetic properties |
Autor: | Tartaj, Pedro CSIC ORCID ; González-Carreño, T. CSIC; Serna Pereda, Carlos J. CSIC | Fecha de publicación: | 2001 | Editor: | Wiley-VCH | Citación: | Advanced Materials 13 (21): 1620-1624 (2001) | Resumen: | Tunable magnetic hollow spheres of γ-Fe2O3 with a silica-enriched surface layer have been synthesized by aerosol pyrolysis of an iron ammonium citrate/TEOS solution in methanol. Careful temperature control is crucial for an optimum yield of intact spheres. The Figure shows a TEM image of a sphere, revealing the outer layer consisting mainly of silica. The material is potentially interesting for magnetic-fluid applications, e.g., in medicine. | URI: | http://hdl.handle.net/10261/62734 | DOI: | 10.1002/1521-4095(200111)13:21<1620::AID-ADMA1620>3.0.CO;2-Z | Identificadores: | issn: 0935-9648 |
Aparece en las colecciones: | (ICMM) Artículos |
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