1. Chemistry Department, Instituto Tecnológico e Nuclear, CFMC-UL, EN 10, 2686-953 Sacavém, Portugal
2. Department of Ceramics and Glass Engineering, CICECO, University of Aveiro, 3810-193 Aveiro, Portugal
3. Institute of Solid State Chemistry, Ural Division of RAS, 91 Pervomayskaya Str., 620219 Ekaterinburg, Russia