1. Department of Electrical and Electronic Engineering, College of Engineering, South University of Science and Technology, 1088 Xue-Yuan Road, Nanshan, Shenzhen, Guangdong 518055, China
2. School of Electrical and Electronic Engineering, Nanyang Technological University, 50 Nanyang Avenue, 639798, Singapore
3. Department of Micro- and Nanoelectronics, Belarusian State University of Informatics and Radioelectronics, 6 P. Brovki, Minsk 220013, Belarus
4. Singapore Institute of Manufacturing Technology, 71 Nanyang Drive, 638075, Singapore