1. Center for Quantum Spintronics, Department of Physics, Norwegian University of Science and Technology (NTNU), NO-7491 Trondheim, Norway
2. Department of Physics and Technology, University of Bergen (UiB), Allégaten 55, 5007 Bergen, Norway
3. Elettra-Sincrotrone Trieste, s.s. 14-km.163,5 in Area Science
Park, Basovizza, Trieste 34149, Italy
4. Instituto de Ciencia de Materiales de Madrid (ICMM-CSIC) C/Sor Juana Inés de la Cruz 3, 28049 Madrid, Spain
5. Department of Physics and Centre for Materials Science and Nanotechnology, University of Oslo (UiO), Oslo 0318, Norway