A fully three-dimensional Monte Carlo model for simulation of sculptured thin-film growth is presented. After explaining the model, the simulation results are compared with the corresponding experiments, and encouragi...A fully three-dimensional Monte Carlo model for simulation of sculptured thin-film growth is presented. After explaining the model, the simulation results are compared with the corresponding experiments, and encouraging consistency is proven. The morphology of sculptured thin films is then compared on periodical patterned and bare substrates. It is shown that there are more uniform structures and hence possible better optical properties by fabricating on patterned substrates. Finally, with the aid of computer simulation, we examine the sell-shadowing effect and our theoretical analysis of simulated morphology data deals with the accuracy of this model.展开更多
We demonstrate that thin films with micro/nanometre controllable morphology can be fabricated by the glancing angle deposition （GLAD） technique which is a physical vapour deposition technique. In this technique, the...We demonstrate that thin films with micro/nanometre controllable morphology can be fabricated by the glancing angle deposition （GLAD） technique which is a physical vapour deposition technique. In this technique, there are parameters which determine the morphology of the thin films： the incident angle, ratio of the deposition rate with respect to the substrate rotation rate, nature of the material being deposited, etc. We fabricate the morphology of column, pillar, helices, zigzag and study the parameters which determine morphology by given some examples of SEM.展开更多
A photonic heterostructure with multi-channel and sharp angular defect modes by combining two different one-dimensional defective photonic crystals is proposed. The filters designed on the basis of this heterostructur...A photonic heterostructure with multi-channel and sharp angular defect modes by combining two different one-dimensional defective photonic crystals is proposed. The filters designed on the basis of this heterostructure possess both functions of multi-channel narrow band filtering and sharp angular filtering. The channels, channel interval, and number of channels can be tuned by adjusting the geometric and physical parameters of the heterostuctures. This kind of filters will benefit the development of multi-channel interstellar or atmosphere optical communication.展开更多
文摘A fully three-dimensional Monte Carlo model for simulation of sculptured thin-film growth is presented. After explaining the model, the simulation results are compared with the corresponding experiments, and encouraging consistency is proven. The morphology of sculptured thin films is then compared on periodical patterned and bare substrates. It is shown that there are more uniform structures and hence possible better optical properties by fabricating on patterned substrates. Finally, with the aid of computer simulation, we examine the sell-shadowing effect and our theoretical analysis of simulated morphology data deals with the accuracy of this model.
文摘We demonstrate that thin films with micro/nanometre controllable morphology can be fabricated by the glancing angle deposition （GLAD） technique which is a physical vapour deposition technique. In this technique, there are parameters which determine the morphology of the thin films： the incident angle, ratio of the deposition rate with respect to the substrate rotation rate, nature of the material being deposited, etc. We fabricate the morphology of column, pillar, helices, zigzag and study the parameters which determine morphology by given some examples of SEM.
基金This work was supported by the National Natural Science Foundation of China (No. 10274108)the National "973" Project of China (No. 2004CB719804)the National "863" Project of China (No. 2003AA311022)the Natural Science Foundation of Guangdong Province of China.
文摘A photonic heterostructure with multi-channel and sharp angular defect modes by combining two different one-dimensional defective photonic crystals is proposed. The filters designed on the basis of this heterostructure possess both functions of multi-channel narrow band filtering and sharp angular filtering. The channels, channel interval, and number of channels can be tuned by adjusting the geometric and physical parameters of the heterostuctures. This kind of filters will benefit the development of multi-channel interstellar or atmosphere optical communication.
