Effect of Cu doping on optical properties of Mn2O3 films prepared by spray pyrolysis. Iraqi Journal of Physics, [S. l.], v. 10, n. 18, p. 94–97, 2012. Disponível em: https://ijp.uobaghdad.edu.iq/index.php/physics/article/view/753.. Acesso em: 17 may. 2024.