Dr. Vidyadhar Singh is an Assis­tant Professor of the Physics Department at Jai Prakash Uni­versity (Public State Univer­sity), Bihar, India. Earlier, he was a postdoctoral scholar at the Okinawa Institute of Sci­ence and Technology (OIST), Japan, for 6 years from 2012 till 2017. He received his Ph.D. in physics in May 2011 from the Indian Institute of Technol­ogy (IIT), Kharagpur, India. He completed his master’s degree in physics with a spe­cialization in condensed matter physics from the University of Rajasthan, Jaipur, India. He is also qualified for the national level prestige exam CSIR-UGC NET and GATE in physical sciences. He has published 80 articles in high­impact refereed journals and 02 invited chapters in books. He has presented 40 invited talks/oral/posters at international/national conferences. He has received jointly 04 US patents. His present research focuses on the design and synthesis of inorganic nano­structural materials by gas-phase condensation method and their applications.