1. MORPHO-STRUCTURAL AND PHOTOCATALYTIC PROPERTIES OF SnO2 NANOPARTICLES. Authors: LUCIAN BARBU-TUDORAN, DIANA LAZAR, SERGIU MACAVEI, DANA TOLOMAN, ADRIANA POPA, CRISTIAN LEOȘTEAN, OVIDIU PANA, MARIA ŞTEFAN.2. SYNTHESIS AND CHARACTERISATION OF Fe3O4-SnO2 NANOCOMPOSITES WITH ELECTROCHEMICAL PROPERTIES. Authors: LUCIAN BARBU-TUDORAN, DANA TOLOMAN, ADRIANA POPA, CRISTIAN LEOȘTEAN, OVIDIU PANĂ, FLORINA POGACEAN, MARIA ŞTEFAN, SERGIU MACAVEI.