M. C. Gonzalez, V. H. Castrejon Sanchez, P. G. Reyes Romero, A. Gómez Díaz, H. . Martínez Valencia, J. Vergara Sánchez, and C. Torres Segundo, Synthesis and characterization of Cu2O thin films obtained from a CO2-N2 plasma mixture, Rev. Mex. Fís. 71, (2025).