1. Department of Physical Chemistry and Materials Science, University of Szeged, Rerrich Béla tér 1., Szeged H-6720, Hungary
2. Interdisciplinary Excellence Center, Department of Applied and Environmental Chemistry, University of Szeged, Szeged H-6720, Hungary
3. Department of Applied and Environmental Chemistry, University of Szeged, Szeged H-6720, Hungary
4. Department of Physics, Institute of Physics, Budapest University of Technology and Economics, Műegyetem rkp 3., Budapest H-1111, Hungary
5. MTA-BME Condensed Matter Research Group, Műegyetem rkp 3., Budapest H-1111, Hungary