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Proceedings Paper

Optical property of the co-doped La and Mg BiFeO3 films fabricated by sol-gel method
Author(s): Lin Peng; Hongmei Deng; Jianjun Tian; Huan Deng; Pingxiong Yang; Junhao Chu
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Paper Abstract

The Bi1-xLaxFe1-yMgyO3 thin films were fabricated on Si (100) by sol-gel method. X-ray diffraction analysis shows that all the films are perovskite structure with space group R3C with x and y range from 0 to 0.1 altogether. Moreover, the co-doped La and Mg distorted BiFeO3 lattice structure which induced from Raman study. The refractive index n and extinction coefficient k of the co-doped BiFeO3 film obviously get larger with the La and Mg concentration, and the band-gap energy of BiFeO3 was found to be 2.45±0.02ev and that of Bi 0.95 La 0.05 Fe 0.95 Mg 0.05 O3 and Bi 0.9 La 0.1 Fe 0.9 Mg 0.1 O3 were 2.40±0.02ev and 2.35±0.02ev, respectively. Our results suggest that small amount of La and Mg doping can change optical property of BiFeO3 material.

Paper Details

Date Published: 22 February 2012
PDF: 7 pages
Proc. SPIE 8333, Photonics and Optoelectronics Meetings (POEM) 2011: Optoelectronic Devices and Integration, 83331E (22 February 2012); doi: 10.1117/12.916848
Show Author Affiliations
Lin Peng, East China Normal Univ. (China)
Hongmei Deng, Shanghai Univ. (China)
Jianjun Tian, East China Normal Univ. (China)
Huan Deng, East China Normal Univ. (China)
Pingxiong Yang, East China Normal Univ. (China)
Junhao Chu, East China Normal Univ. (China)

Published in SPIE Proceedings Vol. 8333:
Photonics and Optoelectronics Meetings (POEM) 2011: Optoelectronic Devices and Integration
Erich Kasper; Jinzhong Yu; Xun Li; Xinliang Zhang; Jinsong Xia; Junhao Chu; Zhijiang Dong; Bin Hu; Yan Shen, Editor(s)

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