1. Department of Materials Science and Engineering, University of Ioannina, 45110 Ioannina, Greece, Materials Science Centre, University of Groningen, Nijenborgh 4, 9747 AG, Groningen, The Netherlands, Department of Chemistry, University of Crete, 71409 Heraklion, Greece, Institut des Nanosciences de Paris, 140, rue Lourmel, 75015 Paris, France, Department of Applied Physics, Materials Science Centre, and the Netherlands Institute for Metals Research, University of Groningen, Nijenborgh 4, 9747 AG Groningen...