1. Laboratoire Albert Fert, CNRS, Thales, Université Paris-Saclay, 91767 Palaiseau, France
2. GFMC. Department Física de Materiales. Facultad de Física. Universidad Complutense. 28040 Madrid, Spain
3. Helmholtz-Zentrum Berlin, Albert-Einstein Str. 15, 12489 Berlin, Germany
4. Department of Physics, Faculty of Science, University of Oviedo, 33007 Oviedo, Spain
5. Center for Cooperative Research in Biomaterials (CIC biomaGUNE), Basque Research and Technology Alliance (BRTA), Paseo de Miramón 194, 20014 Donostia-San Sebastián, Spain
6. Institute for Technical Physics Karlsruhe Institute of Technology, 76344 Eggenstein-Leopoldshafen, Germany
7. Helmholtz-Zentrum Dresden-Rossendorf e.V., Institute of Ion Beam Physics and Materials Research, 01328 Dresden, Germany