Study on oriented 3D mesoporous silica thin film and nano magnetic grain assembly

Jian Cheng Zhang; Qi Liang Ni; Yue Shen; Xiao'An Zhou; Li Ming Yue

doi:10.1117/12.608049

8 December 2004 Study on oriented 3D mesoporous silica thin film and nano magnetic grain assembly

Jian Cheng Zhang, Qi Liang Ni, Yue Shen, Xiao'An Zhou, Li Ming Yue

Proceedings Volume 5774, Fifth International Conference on Thin Film Physics and Applications; (2004) https://doi.org/10.1117/12.608049
Event: Fifth International Conference on Thin Film Physics and Applications, 2004, Shanghai, China

Abstract

Mesoporous silica thin films with the three-dimensional (3D) pore structure and regular channels have been prepared by dip- or spin-coating on substrates with using a triblock copolymer surfactant (F127) as a template. This paper studied the influences of the various conditions on some characteristics of films with the oriented pore by DTA (different thermal analysis), FTIR (Fourier-transform infrared), small- or wide-angle X-ray diffraction (SA-or WA-XRD) and high-resolution transmission electron microscopy (HRTEM)etc. The adsorption and desorption for N₂(BET method) show that the film's specific surface area is about more 650m²/g and the pore channels size is about 3- 7 nm. This work also reported the influence of the array pore structure assembled with ferric group on magnetization process and showed that the coercive force and specific saturation magnetization of composite occurred in different performance as compared with the conventional magnetic materials.

Citation Download Citation

Jian Cheng Zhang, Qi Liang Ni, Yue Shen, Xiao'An Zhou, and Li Ming Yue "Study on oriented 3D mesoporous silica thin film and nano magnetic grain assembly", Proc. SPIE 5774, Fifth International Conference on Thin Film Physics and Applications, (8 December 2004); https://doi.org/10.1117/12.608049

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