Analytical study of the high absorption Region of the optical absorption edge of a-Si:H films using the derivative method. Iraqi Journal of Science, [S. l.], v. 55, n. 2A, p. 425–434, 2023. Disponível em: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/11697.. Acesso em: 24 nov. 2024.