1. NANO-SciTech Lab, Functional Materials and Nanotechnology Centre, Institute of Science, Universiti Teknologi MARA, Shah Alam, Selangor, Malaysia
2. Faculty of Applied Science, Universiti Teknologi MARA, Shah Alam, Selangor, Malaysia
3. NANO-ElecTronic Centre, Faculty of Electrical Engineering, Universiti Teknologi MARA, Shah Alam, Selangor, Malaysia
4. School of Electrical Engineering, College of Engineering, Universiti Teknologi MARA, Masai, Johor, Malaysia