1. Electron Microscopy for Materials Science (EMAT), Department of Physics, University of Antwerp, Groenenborgerlaan 171, B-2020 Antwerp, Belgium
2. Institute of Mechanics, Materials and Civil Engineering, UCLouvain, Place Sainte Barbe 2, B-1348 Louvain-la-Neuve, Belgium
3. Department of Mechanical Engineering, Colorado School of Mines, 1500 Illinois St., Golden, Colorado 80401, USA
4. Institute for Materials and Process Engineering (IMPE), Zurich University of Applied Sciences, Technikumstrasse 9, 8400 Winterthur, Switzerland