Influence of A.C. Frequency on Hollow Magnetron Sputtering Discharge Parameters. Iraqi Journal of Physics, [S. l.], v. 22, n. 1, p. 31–41, 2024. DOI: 10.30723/ijp.v22i1.1191. Disponível em: https://ijp.uobaghdad.edu.iq/index.php/physics/article/view/1191.. Acesso em: 10 may. 2024.