1. School of Electrical Engineering Korea University 149, Anam-ro, Seongbuk-gu Seoul 02841 Republic of Korea
2. Computational Electronics and Nanoscience Research Laboratory, School of Nanoscience and Biotechnology Shivaji University Kolhapur 416004 India
3. Department of Electronics Osan University 45, Cheonghak-ro Osan-si Gyeonggi-do 18119 Republic of Korea