Low temperature experimental investigation of finite-size and surface effects 'CuFe IND.2' 'O IND.4' nanoparticles of ferrofluids - Alves, Cleiton Rocha; Depeyrot, Jérôme; Sousa, Marcelo Henrique; Aquino, Renata; Tourinho, Francisco Augusto; Rechenberg, Hercilio Rodolfo; Goya, Gerardo Fabían (Encontro Nacional de Fisica da Materia Condensada, 2004)