1. Institute for Solid State Physics and Optics, Wigner Research Centre for Physics, PO. Box 49, Budapest H-1525, Hungary
2. Department of Atomic Physics, Budapest University of Technology and Economics, Budafoki út 8, Budapest H-1111, Hungary
3. Faculty of Mathematics and Physics, Department of Chemical Physics & Optics, Charles University, Ke Karlovu 3, Prague 12116, Czechia
4. Institute for Technical Physics and Materials Science, Centre for Energy Research, Konkoly-Thege M. út 29-33, Budapest H-1121, Hungary
5. Department of Physics, Budapest University of Technology and Economics and MTA-BME Lendület Spintronics Research Group (PROSPIN), Budafoki út 8, Budapest H-1111, Hungary