supported by the National Natural Science Foundation of China(Nos.50672079,60676027,60837001,60776007);the State Key Development Program for Basic Research of China(No.2007CB613404);the Natural Science Foundation of Fujian Province (No.2008J 0221);the Science and Technology Program of the Educational Office of Fujian Province(No.JB08215)
A process methodology has been adopted to transfer GaN thin films grown on sapphire substrates to Si substrates using metal bonding and laser lift-off techniques. After bonding, a single KrF (248 nm) excimer laser p...
supported by National Natural Science Foundation of China (Grant Nos 50672079,60336010 and 60676027);National Basic Research Program of China (Grant No 2007CB613400)
The hole subband structures and effective masses of tensile strained Si/Sil-yGey quantum wells are calculated by using the 6 × 6 k·p method. The results show that when the tensile strain is induced in the quantum we...
The waveguide design is one of the most important parts in a terahertz quantum cascade laser(QCL). Si/SiGe QCL waveguides, based on the Drude model and finite-difference time-domain (FDTD) method, are designed by ...