'FE' doping effect on the structural, magnetic and surface properties of 'SN''O' IND. 2' nanoparticles prepared by a polymer precursor method - Herrera Aragón, Fermin Fidel; Coaquira, José Antonio Huamaní; Morais, P. C.; Gonzalez, I.; Macedo, W. A. A.; Nagamine, Luiz Carlos Camargo Miranda (Journal of Physics D: Applied Physics, 2016)