1. Institute of Physics, Johannes Gutenberg-University Mainz, 55099 Mainz, Germany
2. Graduate School of Excellence Materials Science in Mainz, Staudingerweg 7, 55128 Mainz, Germany
3. Unité Mixte de Physique CNRS, Thales, University Paris-Sud, Université Paris-Saclay, Palaiseau 91767, France
4. Center for Quantum Spintronics, Department of Physics, Norwegian University of Science and Technology, NO-7491 Trondheim, Norway
5. State Key Laboratory for Mesoscopic Physics, School of Physics, Peking University, Beijing 100871, China
6. Diamond Light Source, Didcot, Oxfordshire OX11 0DE, United Kingdom
7. Department of Materials Engineering and Ilse Katz Institute for Nanoscale Science and Technology, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel
8. Department of Materials Science and Engineering, Technion-Israel Institute of Technology, Haifa 32000, Israel
9. Institute of Physics ASCR, v.v.i., Cukrovarnicka 10, 162 53 Praha 6, Czech Republic