1. Faculty of Applied Science, Universiti Teknologi Mara (Perak) Kampus Tapah 35400 Tapah Road, Perak, Malaysia
2. Ionic Materials & Devices (iMADE) Research Laboratory, Institute of Sciences, Universiti Teknologi MARA 40450 Shah Alam, Selangor D.E., Malaysia
3. Faculty of Defense Science & Technology, Universiti Pertahanan Nasional Malaysia, Kem Sg. Besi, 57000 Kuala Lumpur, Malaysia