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Preparation of Narrow Size Distribution Superparamagnetic γ-Fe 2 O 3 Nanoparticles in a Sol−Gel Transparent SiO 2 Matrix

✍ Scribed by Moreno, E. M.; Zayat, M.; Morales, M. P.; Serna, C. J.; Roig, A.; Levy, D.

Book ID
126047549
Publisher
American Chemical Society
Year
2002
Tongue
English
Weight
172 KB
Volume
18
Category
Article
ISSN
0743-7463

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Spherical (ZnδNi1-δFe2O4)γ nanoparticles
Spherical (ZnδNi1-δFe2O4)γ nanoparticles in an amorphous (SiO2)1-γ matrix, prepared with the sol–gel method
✍ C. Caizer; M. Popovici; C. Savii 📂 Article 📅 2003 🏛 Elsevier Science 🌐 English ⚖ 217 KB

By using the sol-gel method we have obtained spherical nanoparticles (NPs) of stoichiometric (Zn d Ni 1-d Fe 2 O 4 ) γ mixed ferrite (d = 0.15; 0.35; 0.65 and g = 0.15), dispersed in an amorphous (SiO 2 ) 1-g matrix (nanocomposites). The nanocomposites were investigated at room temperature by means