1. Department of Materials Engineering, Ming Chi University of Technology, New Taipei City 24301, Taiwan
2. Nanomaterials and Sensors Research Laboratory, Department of Physics, Babasaheb Bhimrao Ambedkar University, Lucknow, Uttar Pradesh 226025, India
3. Department of Mathematics, Babasaheb Bhimrao Ambedkar University, Lucknow, Uttar Pradesh 226025, India
4. Department of Electrical Engineering, Indian Institute of Technology Jodhpur, Jodhpur 342011, India
5. Department of Physics, National Chung Hsing University, Taichung 40227, Taiwan