Magnetic Nanocomposite Thin Films Prepared by Sol-Gel Process
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| Format: | Artículo científico |
| Language: | en |
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Sociedade Brasileira de Física
2006
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| _version_ | 1876473260862865408 |
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| author | Luciana M. Seara |
| author_facet | Luciana M. Seara |
| contents | Magnetic Nanocomposite Thin Films Prepared by Sol-Gel Process Luciana M. Seara Miguel A. Novak Elis H. C. P. Sinnecker Nelcy D. S. Mohallem Física, Astronomía y Matemáticas Sol gel process Magnetic thin films Magnetic nanocomposite Cobalt ferrite composite thin films, CoFe2O4/SiO2, were prepared by sol-gel process, using tetraethylorthosilicate(TEOS) as a precursor for silica, and metallic nitrates as precursors for ferrite. The obtained dip-coatedfilms thermally treated at 550, 750, and 950 ° C were transparent, homogeneous and adherent. Their magneticproperties were measured from 2.5 K to 300 K using a SQUID magnetometer. Superparamagnetic behaviourwas observed at room temperature and below a blocking temperature appears with coercivity values increasingwith annealing temperature. 2006 artículo científico 0103-9733 https://www.redalyc.org/articulo.oa?id=46436574 en http://www.redalyc.org/revista.oa?id=464 Brazilian Journal of Physics application/pdf Sociedade Brasileira de Física Brazilian Journal of Physics (Brasil) Num.3B Vol.36 |
| format | Artículo científico |
| id | redalyc_46436574 |
| institution | Redalyc |
| language | en |
| publishDate | 2006 |
| publisher | Sociedade Brasileira de Física |
| spellingShingle | Magnetic Nanocomposite Thin Films Prepared by Sol-Gel Process Luciana M. Seara Física, Astronomía y Matemáticas Sol gel process Magnetic thin films Magnetic nanocomposite Magnetic Nanocomposite Thin Films Prepared by Sol-Gel Process Luciana M. Seara Miguel A. Novak Elis H. C. P. Sinnecker Nelcy D. S. Mohallem Física, Astronomía y Matemáticas Sol gel process Magnetic thin films Magnetic nanocomposite Cobalt ferrite composite thin films, CoFe2O4/SiO2, were prepared by sol-gel process, using tetraethylorthosilicate(TEOS) as a precursor for silica, and metallic nitrates as precursors for ferrite. The obtained dip-coatedfilms thermally treated at 550, 750, and 950 ° C were transparent, homogeneous and adherent. Their magneticproperties were measured from 2.5 K to 300 K using a SQUID magnetometer. Superparamagnetic behaviourwas observed at room temperature and below a blocking temperature appears with coercivity values increasingwith annealing temperature. 2006 artículo científico 0103-9733 https://www.redalyc.org/articulo.oa?id=46436574 en http://www.redalyc.org/revista.oa?id=464 Brazilian Journal of Physics application/pdf Sociedade Brasileira de Física Brazilian Journal of Physics (Brasil) Num.3B Vol.36 |
| title | Magnetic Nanocomposite Thin Films Prepared by Sol-Gel Process |
| topic | Física, Astronomía y Matemáticas Sol gel process Magnetic thin films Magnetic nanocomposite |
| url | https://www.redalyc.org/articulo.oa?id=46436574 |