Dr Ankush Vij completed his PhD in Physics from Kurukshetra University and IUAC New Delhi in 2010. Presently he is working as Senior Associate Professor at University of Petroleum and Energy Studies (UPES) Dehradun India. He worked at National Institute of Technology Hamirpur, India and Amity University Haryana, India in the capacity of assistant professor and associate professor. Dr Vij has served as visiting scientist at Korea Institute of Science and Technology (KIST) Seoul, South Korea in 2011, 2017 and 2018. His current research interests include optical nanomaterials for various applications, luminescence in solids, ion beam induced modifications in materials, synchrotron related studies, spinel materials etc. Dr. Hemaunt Kumar received his Ph. D. from Govind Ballabh Pant University of Agriculture and Technology, Pantnagar, Uttarakhand in 2014. Since 2014, he is working as an Assistant Professor at Rajkiya Engineering College, Bijnor, His research interests are irradiation studies in nanoferrites. He has actively worked in the synthesis of ferrite nanoparticles and thin films and determining the magnetic, optical and dielectric response of ferrites. ??? Dr. Jitendra Pal Singh is currently working as Ramanujan Fellow at Manav Rachna University, Faridabad, Haryana, India. Dr. Singh earned his PhD from the Govind Ballabh Pant University of Agriculture and Technology, Pantnagar, Uttarakhand, India. He has been associated with Pohang Accelerator Laboratory, Pohang, South Korea, prior to his current appointment. Dr. Shalendra Kumar is currently a Visiting Professor at the Department of Physics, King Faisal University, Saudi Arabia. Dr. S. Kumar earned his master in Physics from Aligarh Muslim University (AMU), Aligarh, India and doctorate from Department of Applied Physics, AMU, Aligarh. After completion of Ph.D, he worked as a Research Professor at Changwon National University, South Korea. Furthermore Dr. Kumar served as Assistant Professor at Department of Applied Physics, Amity University Haryana, Gurgaon from 29 August 2016 to 1st November 2019. His research interests is focused on experimental studies of functional oxide materials such as ferrites, CMR, lead free peizoelectric, multiferroics and DMS in various forms such as bulk, thin films and 1-D nanostructures as well as nanostructures for energy storage (Li-ion, Li-S batteries and supercapacitors) applications and solar cells.