Jassem HA. Negative ion formation during scattering of H-atom from-Al (111) Thin Films: Using Perturbative method. UTJsci [Internet]. 2014 Jul. 10 [cited 2025 May 12];4(4):142-7. Available from: http://www.jsci.utq.edu.iq/index.php/main/article/view/683