1. Faculty of Industrial Sciences & Technology, Universiti Malaysia Pahang, 26300 Kuantan, Malaysia
2. Center for Advanced Intelligent Materials, Universiti Malaysia Pahang, 26300 Kuantan, Malaysia
3. Department of Physics, University of Massachusetts Boston, 100 Morrissey Boulevard, Boston, Massachusetts 02125, USA
4. Department Faculty of Science and Engineering, Saga University, 1 Honjo, Saga 840-8502, Japan