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B. Verkin Institute for Low Temperature
Physics and Engineering National Academy of Science (NAS) of
UkraineDEPARTMENT OF POINT-CONTACT SPECTROSCOPY
Head of the Department
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Investigation of the thermal (heat capacity), superconducting, ac and dc resistive properties of the modern superconducting structures
Main research:
Main results:
Equipment:
1.
Equipment for the influence of electromagnetic radiation with frequencies up to
100 GHz for superconductors at temperatures 2 - 4.2 K. 3. Equipment for the surface resistivity measuring in the temperature range 4.5 - 300 K and a frequency range 1 - 100 MHz. 4. Equipment for the specific heat measuring by vacuum adiabatic calorimeter in the temperature range 1.5 - 300 K. 5. The point-contact spectrometer for investigation of nonlinear conductivity of contacts. Such spectrometer has a cryogenic equipment for formation of point contacts and measuring of their conducting properties in temperature interval 1.3 - 77 K, magnetic field range 0 - 3 T and under high-frequency irradiation in the range 0.3 - 65 GHz.
International collaboration: International Laboratory of High Magnetic Fields and Low Temperatures (Wrocław, Poland) Recent publications: 1. Zolochevskii I. V. Resistive states in wide superconducting films induced by dc and ac currents (review ) // Low Temp. Phys., 40, ¹ 10, 867 - 892 (2014). 2. Zolochevskii I. V. Stimulation of superconductivity by microwave irradiation in wide tin films (review ) // Low Temp. Phys., 39, ¹ 7, 571-585 (2013). 3. Dmitriev V.M., Terekhov A.V., Zaleski A., Khatsko E.N., Kalinin P.S., Rykova A.I., Gurevich A.M., Glagolev S.A., Khlybov E.P., Kostyleva I.E., and Lachenkov S.A. The Wohlleben effect in magnetic superconductors Dy1-xYxRh4B4 (x = 0.2, 0.3, 0.4 and 0.6) // Low Temp. Phys., 38, ¹ 2, 154 (2012). 4. Terekhov A.V. Wohlleben effect in YRh4B4 // Low Temp. Phys., 39, ¹ 7, 640 (2013). 5. Dmitriev V.M., Khlybov E.P., Kondrashov D.S., Terekhov A.V., Rybaltchenko L.F., Khristenko E.V., Ishchenko L.A., Kostyleva I.E. and Zaleski A.J. Andreev reflection spectroscopy of the new Fe-based superconductor EuAsFeO(0.85)F(0.15): evidence for the strong order parameter anisotropy // Low Temp. Phys., 37, ¹ 4, 280 (2011). 6. Dmitriev V.M., Zaleski A., Khlybov E.P., Rybaltchenko L.F., Khristenko E.V., Ishchenko L.A., and Terekhov A.V. Enhancement of superconducting order parameter in the compound Dy0.8Y0.2Rh4B4 at the phase transition of its magnetic subsystem from antiferromagnetic to ferrimagnetic state // Low Temp. Phys., 35, ¹ 5, 424 (2009).
7. Dmitriev V.M., Zaleski A.J., Khlybov E.P.,
Rybaltchenko L.F., Khristenko E.V., Ishchenko L.A., Terekhov A.V., Kostyleva
I.E., and Lachenkov S.A. Magnetic phase transformations and superconductivity in
Dy0.8Y0.2Rh4B4 //
Low Temp. Phys., 34, ¹ 11, 909 (2008). |