1. Forschungszentrum Jülich GmbH, Peter-Grünberg-Institute, 52425 Jülich, Germany
2. Leibniz-Institute of Surface Engineering (IOM), Department of Functional Surfaces, 04318 Leipzig, Germany
3. Institute of Ion Beam Physics and Materials Research, Helmholtz-Zentrum Dresden-Rossendorf, 01328 Dresden, Germany
4. Jülich Centre for Neutron Science (JCNS-2), Peter-Grünberg-Institute (PGI-4), JARA-FIT, Forschungszentrum Jülich GmbH, 52425 Jülich, Germany
5. JARA-FIT, RWTH Aachen University, 52056 Aachen, Germany
6. Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
7. Faculty of Physics, University of Duisburg-Essen, 47057 Duisburg, Germany
8. Department of Physics, UC Davis, Davis, California 95616, USA
9. Faculty of Physics, University of Konstanz, 78457 Konstanz, Germany