University of Minho, University of Minho, University of Minho, University of Latvia, University of Latvia, affiliation not provided to SSRN, Deutsches Elektronen-Synchrotron, University of Lisbon, University of Lisbon, International Iberian Nanotechnology Laboratory, Karlsruhe Institute of Technology, International Iberian Nanotechnology Laboratory, affiliation not provided to SSRN and University of Minho