Dr. Khalidah H. Al-Mayalee is currently professor physics at the University of Kufa, She earend her Ph.D in Applied Physics from University of Arkansas at Little Rock, USA. She is active in nano physics - studying size, shape and composition effects on materials properties. She studied a number of important topics in the initial studies and graduate studies (electromagnetic theory, solid state physics), and research work is continuing in the field of solid state physics.