[1] Univ Teknol MARA, NANO Elect Ctr, Fac Elect Engn, Shah Alam 40450, Selangor, Malaysia
[2] Univ Teknol MARA, NANO SciTech Ctr, Inst Sci, Shah Alam 40450, Selangor, Malaysia
[3] Univ Teknol MARA, Fac Appl Sci, Shah Alam 40450, Selangor, Malaysia
[4] Univ Teknol MARA Pahang, Fac Appl Sci, Bandar Tun Razak Jengka 26400, Pahang, Malaysia
[5] IIUM, Kulliyah Engn, Kuala Lumpur 50728, Malaysia