1. B. Verkin Institute for Low Temperature Physics and Engineering of the National Academy of Sciences of Ukraine 1 , Kharkiv 61103, Ukraine
2. Institute of Physiologically Active Compounds 2 , LLC, Kharkiv, Ukraine
3. Institute of Physics of the National Academy of Sciences of Ukraine 3 , Kyiv 03028, Ukraine
4. Institute of Low Temperature and Structure Research 4 , Polish Academy of Sciences, Wroclaw 50-422, Poland
5. Chuiko Institute of Surface Chemistry of the National Academy of Sciences of Ukraine 5 , Kyiv 03164, Ukraine