The Faculty of Physics

Vragov Oleksiy Yuriyovich

    PhD student at the Department of Low Temperature Physics;

    Phone: :+38 (095) 507-53-76
    Address: Svobody sq. 4, Faculty of Physics KNU, Kharkov, Ukraine, 61022.
    E-mail: o.vrahov@karazin.ua

 Born in 1997 in Kharkiv. In 2020, graduated from the Faculty of Rocket and Space Engineering of the Kharkiv National Aerospace University “Kharkiv Aviation Institute”.Since 2023 studies at the graduate school (intramural) at the Department of Low Temperature Physics of V. N. Karazin Kharkiv National University.
Topic of Ph.D. thesis: « Modification of magnetoresistive properties of YBa2Cu3O7-δ single crystals by fast electron irradiation».
Scientific Advisor - Doctor of Physical and Mathematical Sciences, Professor Vovk Ruslan Volodymyrovych.
Research interests: High-temperature superconductivity, superconductors.
Main scientific publications:
1. Evolution of fluctuation conductivity of Y1Ba2Cu3O7-δ single crystals under the influence of medium doses of electron irradiation and doping with praseodymium.
M.O. Azarenkov, G.Ya. Khadzhai, A.V. Matsepulin, M.V. Korobkov, A.O. Komisarov, A.I. Rusalovich, Junyi Du, S.M. Kamchatnaya, A.Yu. Vragov, L.O. Pashchenko, V.Yu. Gres,           E.S. Gevorkyan, R.V.Vovk, The Journal of V.N. Karazìn Kharkiv National University. Series “Physics” Iss. 38, p. 7-14 (2023).
2. V.Ju. Gres, G.Ya. Khadzhaj, A.O. Komisarov, O.Yu. Vragov, V.V. Sainchin, V.O. Kovrigin, R.V. Vovk. The influence of hydrostatic pressure up to 10 kbar on the electrical resistance and critical temperature of single crystals Y0.66Pr0.34Ba2Cu3O7–δ. Functional Materials, 31(3), p. 341-345 (2024).
3. G.Ya. Khadzhai, A.O. Komisarov, O.Yu. Vragov, V.O. Kovrygin, R.V. Vovk. The effect of all-round compression on the critical temperature of Y0.66Pr0.34Ba2Cu3O7–δ single crystals. Low Temp. Phys. 50, p. 1034–1036, (2024)