Zhang Jincheng is a professor and doctoral tutor of Microelectronics School of Xidian University and deputy director of National Key Laboratory of Broadband Gap Semiconductor Technology. He received master’s degree of microelectronics and doctor’s degree of solid electronics from Xidian University separately in 2001 and 2004, promoted to professor in June 2009, won the title of outstanding young teachers among colleges and universities in Shanxi Province and top ten young teachers in 2005, and selected into the Program for New Century Excellent Talents by Ministry of Education in 2007. He mainly engaged in researches about materials and devices of wide band gap semiconductor. As the main responsible person, he has undertaken more than 20 scientific research projects above provincial level. Among them, he presided over 2 national projects and 4 projects at provincial and ministerial level as the person in charge, won 1 second award of state technological invention, 7 tech awards at provincial and ministerial level, obtained 7 national invention patents, and published more than 50 academic papers including more than 30 papers indexed by SCI.