1. Department of Physics, National Institute of Technology Karnataka, Surathkal, Karnataka-575025, India
2. Department of Physics, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai 602105, India
3. Department of Advanced Components and Materials Engineering, Sunchon National University, 255, Jungang-ro, Suncheon-si, Jellanamdo 57922, Republic of Korea