Ethar Yahya Salih is a lecturer/researcher at the Department of Renewable Energy, College of Energy and Environmental Sciences, Al-Karkh University of Science, Baghdad, Iraq. He graduated with a M.Sc. in Applied Physics (2015) from University Putra Malaysia, and completed Ph.D. at the University of Malaya-Malaysia in Advanced Materials/Optoelectronics (2018). His research focuses on advanced materials for solid-state nanodevices applications.