1. Department of Mechanical and Process Engineering, ETH Zürich, Leonhardstrasse 21, CH 8092 Zürich, Switzerland
2. Swiss-Norwegian Beamlines at the European Synchrotron Radiation Facility, 71 Avenue des Martyrs, Grenoble, France
3. Scientific Center for Optical and Electron Microscopy, ETH Zürich, Auguste-Piccard-Hof 1, CH 8093 Zürich, Switzerland