Shengkai Wang is a professor in the Institute of Microelectronics, Chinese Academy of Sciences. He received Ph.D. from the University of Tokyo in 2011 and has been engaged in Ge, III-V, SiC in MOS technology. He has published more than 100 papers and authorized 40+ patents. Xiaolei Wang is a professor in the Institute of Microelectronics, Chinese Academy of Sciences. He received Ph.D. from the Institute of Microelectronics, Chinese Academy of Sciences in 2013 and has been engaged in Si/Ge based MOS technology. He has published more than 100 papers.