supported by the National Natural Science Foundation of China(Nos.91433108,61301023)
We designed two transmission-mode GaAs/AIGaAs photocathodes with different AlxGa1-xAs layers, one has an AlxGal-xAs layer with the Al component ranging from 0.9 to 0, and the other has a fixed AI component 0.7. Using ...
The project supported by National Natural Science Foundation of China under Grant No. 10574036, and the Natural Science Foundation of Hebei Province of China under Grant No. A2004000140
In the effective-mass approximation, using a simple two-parameter wave function and a one-dimensional (ID) equivalent potential model, we calculate variationally the binding energy of an exciton bound to a neutral d...