1. Department of Physics , Sant Gadge Baba Amravati University , Amravati - 444602 , Maharashtra, India
2. Advanced Functional Materials & Optoelectronic Laboratory (AFMOL) , Department of Physics, College of Science , King Khalid University , P.O. Box 9004, Abha - 61413 , Saudi Arabia
3. Research Center for Advanced Materials Science (RCAMS) , King Khalid University , P.O. Box 9004, Abha - 61413 , Saudi Arabia