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Interaction of fast electron beam with photonic quasicrystals
Wei Zhong1, Jinying Xu, Xiangdong Zhang
1Department of Physics, Beijing Normal University, Beijing 100875, China.
Optics Express
|August 6, 2009
Abstract:
The interactions of two-dimensional 10-fold and 12-fold photonic quasicrystals with a moving electron beam have been studied by using the multiple-scattering method. The electron energy loss spectroscopy (EELS) and three-dimensional local density of states in these systems have been calculated. Some three-dimensional localized states in these defect-free two-dimensional systems have been found. It has been demonstrated that these localized states can be explored by means of the EELS.
