1. Institute of Physical ChemistryUniversity of Hamburg Martin‐Luther‐King‐Platz 6 Hamburg 20146 Germany
2. Key Laboratory for Magnetism and Magnetic Materials of the Ministry of EducationSchool of Physical Science and TechnologyLanzhou University Lanzhou 730000 P. R. China
3. Institute of PhysicsUniversity of Rostock Albert‐Einstein‐Strasse 23 Rostock 18059 Germany
4. Pidstryhach Institute for Applied Problems of Mechanics and Mathematics of NAS of Ukraine Naukowa Str. 3b Lviv 79060 Ukraine
5. Department of PhotonicsLviv Polytechnic National University Bandery Str. 12 Lviv 79000 Ukraine
6. Department of ChemistrySwansea University–Singleton Park Swansea SA2 8PP UK