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Evolution of Superconducting Gaps in Th-Substituted SmThOFeAs Studied by Multiple Andreev Reflection Spectroscopy
T. E. Kuzmicheva, S. A. Kuzmichev, K. S. Pervakov +2
Using intrinsic multiple Andreev reflections effect (IMARE) spectroscopy, we studied SnS contacts in the layered oxypnictide superconductors SmThOFeAs with various thor…
Probing Bulk Superconducting Order Parameter in Ba(K)FeAs by Four Complementary Techniques
A. V. Muratov, T. E. Kuzmicheva, A. V. Sadakov +7
Using four different experimental techniques, we performed comprehensive studies of the bulk superconductive properties of single crystals of the nearly optimally doped $Ba_{1-x}K_…
Vortex Structure and Anisotropic Superconducting Gaps in Ba[Fe(Ni)]As
T. E. Kuzmicheva, V. A. Vlasenko, S. Yu. Gavrilkin +4
We studied nearly optimally Ni-substituted BaFeNiAs (BFNA) single crystals with \,K. In irreversible magnetization measurements, we determined the…
Low temperature Hall effect in bismuth chalcogenides thin films
A. Yu. Kuntsevich, A. A. Gabdullin, V. A. Prudkogliad +3
Bismuth chalcogenides are the most studied 3D topological insulators. As a rule, at low temperatures thin films of these materials demonstrate positive magnetoresistance due to wea…
Novel Energy Scale in the Interacting 2D Electron System Evidenced from Transport and Thermodynamic Measurements
L. A. Morgun, A. Yu. Kuntsevich, V. M. Pudalov
We study how the non-Fermi-liquid two-phase state reveals itself in transport properties of high-mobility Si-MOSFETs. We have found features in zero-field transport, magnetotranspo…
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…