School of Material Science and Engineering Guilin University of Electronic Technology Guilin 541004 China;
School of Mechanical and Electrical Engineering Guilin University of Electronic Technology Guilin 541004 China;
School of Material Science and Engineering Guilin University of Electronic Technology Guilin 541004 China Guangxi Key Laboratory of Information Materials Guilin University of Electronic Technology Guilin 541004 China;
Department of Information Engineering Guilin University of Aerospace Technology Guilin 541004 China;
