1. Department
of Physics, University of Basel, Klingelbergstrasse 82, 4056 Basel, Switzerland
2. Center
for Quantum Spintronics, Department of Physics, Norwegian University of Science and Technology (NTNU), Høgskoleringen 5, Realfagbygget
D5-170, 7491 Trondheim, Norway
3. Laboratory
of Organic Chemistry, ETH Zürich, Vladimir-Prelog-Weg 3, 8093 Zürich, Switzerland
4. Zernike
Institute for Advanced Materials, University of Groningen, Nijenborgh
4, 9747 AG Groningen, The Netherlands
5. Shanghai Institute of Applied Physics, Chinese Academy of Sciences, 201204 Shanghai, P. R. China
6. Laboratory
for Micro- and Nanotechnology, Paul Scherrer Institute, 5232 Villigen, Switzerland
7. Empa, Swiss Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, 8600 Dübendorf, Switzerland
8. MAX
IV Laboratory, Lund University, P.O. Box 118, 22100 Lund, Sweden
9. Departamento
de Física Aplicada, Instituto de Física Gleb Wataghin, Universidade Estadual de Campinas, Campinas 13083-859, Brazil
10. Laboratory
for Synchrotron Radiation − Condensed Matter, Paul Scherrer Institute, 5232 Villigen, Switzerland
11. Faculty
of Physical Chemistry, University of Belgrade, Studentski trg 12-16, 11158 Belgrade, Serbia
12. Department
of Materials Science and Engineering, KTH - Royal Institute of Technology, Brinellvägen 23, 100 44 Stockholm, Sweden
13. Department
of Physics and Astronomy, Uppsala University, Box 516, 751 20 Uppsala, Sweden