1. Institut de Ciència de Materials de Barcelona (ICMAB-CSIC), Campus Universitat Autònoma de Barcelona (UAB), 08193 Bellaterra, Catalunya, Spain, Institute of Chemistry Timisoara of Romanian Academy, 24 Mihai Viteazul Blv., RO-1900 Timisoara, Romania, Industrial Chemistry and Environmental Engineering Faculty, Department of Science and Engineering of Oxide Materials, Piata Victoriei 2, RO-1900 Timisoara, Romania, Departament de Física, Universitat Autònoma de Barcelona, 08193 Bellaterra, Catalunya, Spain,...