Affiliation: | a Nanotechnology Laboratory, Department of Physics, Sri Ramakrishna Mission Vidyalaya College of Arts and Science, Coimbatore 641020, Tamil Nadu, India b Center for Appropriate Management, Chandragupt Institute of Management, Patna 800001, Bihar, India c Nano-Research for Advanced Materials & Technologies, Vijayanagar, Bangalore 560040, India d Department of Industrial Chemistry and Materials Engineering, University of Messina, Messina 98166, Italy |