1. Department
of Chemical Engineering, University of Patras and FORTH-ICE/HT, GR 26504, Patras, Greece
2. Particle
Technology Laboratory, Department of Mechanical and Process Engineering, ETH-Z, CH-8092 Zürich, Switzerland
3. FORTH, Institute
for Electronic Structure and Laser, Heraklion 71110, Greece
4. Department
of Chemical, Materials and Industrial Engineering, University of Napoli Federico II, P.le Tecchio 80, 80125 Napoli, Italy
5. Department of Materials Science & Technology, University of Crete, Heraklion 71003, Greece
6. Jülich
Centre for Neutron Science (JCNS-1) and Institute for Complex Systems
(ICS-1), Forschungszentrum Jülich GmbH, 52425 Jülich, Germany