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Fe2O3-SiO2-CTAB transparent nano-composite films were prepared by means of a two-step acid-catalyzed method and
sol-gel process using surfactant cetyltrimethylammonium bromide (CTAB) as template and tetraethoxysilane (TEOS) as
the starting material, iron nitrate Fe(NO3)3·9H2O as iron source material. Optical properties, structural and magnetic
characteristics of the films were investigated by UV-visible spectra, FT-IR spectra and vibrating sample magnetometer
(VSM). The transparency of the high temperature treated Fe2O3-SiO2-CTAB nano-composite films exceeds the glass
substrate. It is also found that the saturation magnetization (Ms) of the films increases with the treating temperature. The
magnetization measurements reveal that Fe2O3-SiO2-CTAB nano-composite films display normal ferromagnetic
behaviors. It is also shown that the CTAB plays a key role in the optical and magnetic properties of Fe2O3-SiO2-CTAB composite films.
Lin Li,Lanfang Yao,Shuo Wang,Ruiqing Xu,Linlin Tian, andXueling Fang
"Preparation and investigation of Fe2O3-SiO2-CTAB transparent
nano-composite films", Proc. SPIE 7995, Seventh International Conference on Thin Film Physics and Applications, 79951I (18 February 2011); https://doi.org/10.1117/12.888177
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Lin Li, Lanfang Yao, Shuo Wang, Ruiqing Xu, Linlin Tian, Xueling Fang, "Preparation and investigation of Fe2O3-SiO2-CTAB transparent nano-composite films," Proc. SPIE 7995, Seventh International Conference on Thin Film Physics and Applications, 79951I (18 February 2011); https://doi.org/10.1117/12.888177