1. Scientific‐Practical Materials Research Center of NAS of Belarus220072MinskBelarus
2. Institute of Physics of the NAS of Ukraine03028KievUkraine
3. Photon Science Institute and School of Electrical and Electronic EngineeringUniversity of ManchesterManchesterM13 9PLUK
4. Department of Physics, Centre for Materials Science and NanotechnologyOslo University0318OsloNorway