School of Materials Science and Engineering, Chang'an University, Xi'an 710061, China;
School of Microelectronics, Key Laboratory of Wide Band-Gap Semiconductor Materials and Devices, Xidian University, Xi'an 710071, China;
School of Materials Science and Engineering, Chang'an University, Xi'an 710061, China;
School of Microelectronics, Key Laboratory of Wide Band-Gap Semiconductor Materials and Devices, Xidian University, Xi'an 710071, China;
School of Materials Science and Engineering, Chang'an University, Xi'an 710061, China;
School of Materials Science and Engineering, Chang'an University, Xi'an 710061, China;
School of Materials Science and Engineering, Chang'an University, Xi'an 710061, China;