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Excitation of Si2O molecule under external electric field

Xu Guo-Liang Liu Xue-Feng Xia Yao-Zheng Zhang Xian-Zhou Liu Yu-Fang

Excitation of Si2O molecule under external electric field

Xu Guo-Liang, Liu Xue-Feng, Xia Yao-Zheng, Zhang Xian-Zhou, Liu Yu-Fang
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  • Received Date:  04 December 2009
  • Accepted Date:  05 February 2010
  • Published Online:  15 November 2010

Excitation of Si2O molecule under external electric field

  • 1. College of Physics and Information Engineering, Henan Normal University, Xinxiang 453007, China

Abstract: The present work is devoted to the study of the excitation of two kinds of Si2O isomers. The results show that the is excitation energies, oscillator strengths, transition electric dipole moments and absorption spectra are affected evidently by external electric field. The triangular Si2O(C2v,1A1) has no visible light absorption spectrum under no external electric field, however, it has faint absorption spectrum(407.18—526.93 nm) in the visible region under external electric field. The linear Si-Si-O(C∞v,3Σ-) has absorption spectra in blue light region and in purple light both in the presence and in the absence of external electric field. One of the important results is that the linear Si-Si-O has strong blue light absorption spectrum(478.88—488.59 nm).

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