Journal of the Korean Physical Society

pISSN 0374-4884 eISSN 1976-8524


Published online November 15, 2006    

Copyright © The Korean Physical Society.

Structural Study and Optical Response of Ag:Bi2O3 Nanoswitch Materials

P. Zhou, Y. R. Chen, Y. H. Wu, Y. Y. Lin, T. A. Tang, J. Li and L. Y. Chen

J. Korean Phys. Soc. 49(9(5)), 2151 (2006)


Materials are always the first power of our science and technology. In this paper, we explored the linear and nonlinear optical responses of silver/bismuth oxide composite thin films, with special emphasis on the relation between the third-order nonlinear optical susceptibility and the metal composition and metal particle size. The intrinsic optical properties of Ag:Bi$_{2}$O$_{3}$ composite films are revealed for the first time by our research. The maximum value of the third-order optical susceptibility $chi ^{(3)}$ was $4.1~ imes~10^{-10}$ esu, which occurred at a 35.7 \% Ag concentration.With increasing annealing temperature, the maximum value of $chi ^{(3)}$observed was 2.1$~ imes~10^{-9}$ esu, which occurred after heat treatment at 600 $^circ$C. We also studied the structure and the crystallinity of the samples by using X-ray diffraction and atomic force microscope techniques before and after annealing. Based on the femtosecond nanoswitch effect we revealed, the Ag:Bi$_{2}$O$_{3}$ composite materials have promising potential applications in next generation communication technology.