1. B. Verkin Institute for Low Temperature Physics and Engineering of NAS of Ukraine, Kharkiv 61103, Ukraine
2. Institute for Low Temperatures and Structure Research, Polish Academy of Sciences, Wroclaw 50-950, Poland
3. K. Zhubanov Aktobe Regional State University, Aktobe 030000, Kazakhstan
4. The Faculty of Physics, V. N. Karazin Kharkiv National University, Kharkiv 61022, Ukraine