Evolution of the doping regimes in the 'AL'-doped 'SN''O IND. 2' nanoparticles prepared by a polymer precursor method - Herrera Aragón, Fermin Fidel; Coaquira, José Antonio Huamaní; Villegas-Lelovsky, Leonardo; Silva, S. W. da; Morais, P. C.; Cesar, Daniel Ferreira; Menendez-Proupin, E.; Cohen, Renato; Nagamine, Luiz Carlos Camargo Miranda (JOURNAL OF PHYSICS-CONDENSED MATTER, 2015)