37 citations · 203 across the 10 of their papers we have counts for
10 papers
Andreev spectroscopy of iron-based superconductors: temperature dependence of the order parameters and scaling of the with
T. E. Kuzmicheva, S. A. Kuzmichev, M. G. Mikheev +5
We studied iron-based superconductors of various families with critical temperatures covering almost all range K. In natural arrays of contacts formed in these mater…
Anisotropy of electric resistance and upper critical field in magnetic superconductor DyYRhRuB
A. V. Terekhov, I. V. Zolochevskii, E. V. Khristenko +5
We have measured temperature dependencies of the electric resistance and upper critical magnetic field of a magnetic superconductor DyYRhRu$_{…
Experimental study of intrinsic multiple Andreev reflections effect in GdO(F)FeAs superconductor array junctions
T. E. Kuzmicheva, S. A. Kuzmichev, M. G. Mikheev +8
We report the first observation of the intrinsic multiple Andreev reflections effect (IMARE) in S-n-S-...-S-arrays (S = superconductor, n = normal metal) formed by "break-junction"…
Multiple Andreev reflections spectroscopy of two-gap 1111- and 11 Fe-based superconductors
Ya. G. Ponomarev, S. A. Kuzmichev, T. E. Kuzmicheva +10
Using the "break-junction" technique we prepared and studied superconductor - constriction - superconductor nanocontacts in polycrystalline samples of Fe-based superconductors CeO$…
Bulk magnetization and strong intrinsic pinning in Ni-doped BaFe2As2 single crystals
K. S. Pervakov, V. A. Vlasenko, E. P. Khlybov +3
We report on measurements of isothermal irreversible magnetization loops (M(H)) of Ni-doped BaFe2-xNixAs2 single crystals with x=0.1 and x=0.14 in magnetic fields up to 14T. For bo…
Multigap Superconductivity in GdFeAsO Evidenced by SnS-Andreev Spectroscopy
T. E. Shanygina, S. A. Kuzmichev, M. G. Mikheev +8
Using intrinsic multiple Andreev reflection effect (IMARE) spectroscopy we studied superconducting properties of nearly optimal oxygen-deficient GdFeAsO polycrystalline sa…
Increase of superconducting order parameter in the magnetic superconductor Dy0.6Y0.4Rh3.85Ru0.15B4 in a wide magnetic field range. Is it a further candidate in p-wave superconductors?
L. F. Rybaltchenko, E. V. Khristenko, L. A. Ishchenko +4
The Andreev reflection spectra were studied for the first time in the magnetic superconductor Dy0.6Y0.4Rh3.85Ru0.15B4. It is found that an external magnetic field (up to 0.7 Hc2) i…
Study of the Two-Gap Superconductivity in GdO(F)FeAs by ScS-Andreev Spectroscopy
T. E. Shanygina, Ya. G. Ponomarev, S. A. Kuzmichev +9
Current-voltage characteristics and dynamic conductance of the superconductor - constriction - superconductor junctions in GdO(F)FeAs polycrystalline samples with critical temperat…
Observation of Multi-Gap Superconductivity in GdO(F)FeAs by Andreev Spectroscopy
T. E. Shanygina, Ya. G. Ponomarev, S. A. Kuzmichev +9
We have studied current-voltage characteristics of Andreev contacts in polycrystalline GdOFFeAs samples with bulk critical temperature = (52.5 \pm 1)K usi…
Magnetic and Superconducting Properties of FeAs-based High-Tc Superconductors with Gd
E. P. Khlybov, O. E. Omelyanovsky, A. Zaleski +5
We report on successful synthesis under high pressure of a series of polycrystalline GdFeAs O_{1-x}F_x high-Tc superconductors with different oxygen deficiency x=0.12 - 0.16 and al…