1. Department of Applied Physics, School of Engineering Sciences, KTH Royal Institute of Technology, Electrum 229, SE-16440 Kista, Sweden
2. Department of Physics, University of Gothenburg, 412 96, Gothenburg, Sweden
3. Department of Physics Education, Korea National University of Education, Cheongju 28173, Korea
4. Centre de Nanosciences et de Nanotechnologies, CNRS, Université Paris Saclay, 91120 Palaiseau, France
5. NanOsc AB, Kista 164 40, Sweden
6. Spin-Ion Technologies, 10 boulevard Thomas Gobert, 91120 Palaiseau, France