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Proceedings Article

Preparation and Faraday rotation of Nd2O3 doped Fe2O3-SiO2 nano-composite films

[+] Author Affiliations
Xueling Fang, Lanfang Yao, Lin Li, Lin-lin Tian, Ruiqing Xu, Shuo Wang

Univ. of Shanghai for Science and Technology (China)

Proc. SPIE 7995, Seventh International Conference on Thin Film Physics and Applications, 79951A (February 17, 2011); doi:10.1117/12.888331
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From Conference Volume 7995

  • Seventh International Conference on Thin Film Physics and Applications
  • Junhao Chu; Zhanshan Wang
  • Shanghai, China | September 24, 2010

abstract

Magneto-optic properties of magnetic materials have much influence on the performance of these current sensors. For practical using, it is generally demanded that the sensing materials had the good magneto-optic properties of large Faraday rotation. Among the most attractive properties of the transparent materials containing Fe2O3 are those related to the magneto-optical effects. The Sol-gel processes are extensively used for the preparation of optical or magneto-optical nano-composite materials though the incorporation of metal ions in the silica matrix. In this study, the Nd2O3 doped Fe2O3-SiO2 nano-composite films with different concentrations of Nd2O3, heated temperature and the number of layers were prepared by sol-gel method. The dependence of Faraday rotation angle of films is studied at room temperature. We find that appropriate concentrations of Nd2O3 (Nd/Si=0.011) doped has improved magneto-optic properties of higher Faraday rotation angle, the θF value increases with the decrease of the temperature below 500°C, the absolute value of Faraday rotation angle increases as the number of layers increases.

© (2010) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Xueling Fang ; Lanfang Yao ; Lin Li ; Lin-lin Tian ; Ruiqing Xu, et al.
"Preparation and Faraday rotation of Nd2O3 doped Fe2O3-SiO2 nano-composite films", Proc. SPIE 7995, Seventh International Conference on Thin Film Physics and Applications, 79951A (February 17, 2011); doi:10.1117/12.888331; http://dx.doi.org/10.1117/12.888331


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