1. Universiti Teknologi MARA,School of Electrical Engineering, College of Engineering,Shah Alam,Selangor,Malaysia,40450
2. Universiti Teknologi MARA,Integrated Microelectronic Systems and Applications (IMSaA), School of Electrical Engineering, College of Engineering,Shah Alam,Selangor,Malaysia,40450
3. Universiti Teknologi Malaysia,School of Electrical Engineering,Johor Bahru,Malaysia
4. Universiti Malaya,Nanotechnology and Catalysis Research Centre,Kuala Lumpur,Malaysia,50603