1. Department of Physics, Aquinas College, Edakochi, Cochin 682010, Kerala, India
2. Department of Physics, Cochin University of Science and Technology, Cochin 682022, India
3. Department of Metallurgical and Materials Engineering, Indian Institute of Technology, Kharagpur 721302, India
4. Department of Physics, Central University of Kerala, Periye, Kasaragod, Kerala 671316, India
5. Facultad de Ingeniería Mecánica y Eléctrica, Universidad Autónoma de Nuevo León, San Nicolás de los Garza, Nuevo León 66455, Mexico
6. School of Nanoscience and Nanotechnology, Mahatma Gandhi University, Kottayam 686560, India