1. Conformal Coating of Nanostructures (CoCooN), Department of Solid State Sciences, Ghent Univesity, Krijgslaan 281 (S1), Ghent 9000, Belgium
2. ALBA Synchrotron Light Source, NCD-SWEET Beamline, Carrer de la Llum, 2-26, Cerdanyola del Vallès 08290, Spain
3. Laboratory for Chemical Technology, Ghent University, Technologiepark 125, Zwijnaarde, Ghent B-9052, Belgium
4. Synchrotron SOLEIL, SixS Beamline, L’Orme des Merisiers, Saint-Aubin, BP48, Gif-sur-Yvette 91192, France