Analytical study of high absorption region of the absorption edge of a-Si:H using nonlinear regression method. Iraqi Journal of Physics, [S. l.], v. 16, n. 37, p. 88–97, 2018. DOI: 10.30723/ijp.v16i37.80. Disponível em: https://ijp.uobaghdad.edu.iq/index.php/physics/article/view/80.. Acesso em: 30 apr. 2024.