“Break-junction” technique in application to layered superconductors

SA Kuzmichev, TE Kuzmicheva - Low Temperature Physics, 2016 - pubs.aip.org
A comprehensive study of superconductor-constriction-superconductor contacts, obtained
using the “break-junction” technique in layered superconductors. Depending on the …

Andreev spectroscopy of iron-based superconductors: temperature dependence of the order parameters and scaling of the with

TE Kuzmicheva, SA Kuzmichev, MG Mikheev… - arXiv preprint arXiv …, 2016 - arxiv.org
We studied iron-based superconductors of various families with critical temperatures
covering almost all range $ T_C= 9-53$ K. In natural arrays of contacts formed in these …

Spin resonance peak in Fe-based superconductors with unequal gaps

MM Korshunov, VA Shestakov, YN Togushova - Physical Review B, 2016 - APS
We study the spin resonance in the superconducting state of iron-based materials within
multiband models with two unequal gaps, Δ L and Δ S, on different Fermi-surface pockets …

Effect of gap anisotropy on the spin resonance peak in the superconducting state of iron-based materials

MM Korshunov - Physical Review B, 2018 - APS
Spin resonance in the superconducting state of Fe-based materials within the multiorbital
model with unequal anisotropic gaps on different Fermi surface sheets is studied. On the …

Multiple andreev reflections spectroscopy of superconducting LiFeAs single crystals: Anisotropy and temperature behavior of the order parameters

SA Kuzmichev, TE Kuzmicheva, AI Boltalin, IV Morozov - JETP letters, 2014 - Springer
The superconducting state of LiFeAs single crystals with the maximum critical temperature T
c≈ 17 K in the 111 family has been studied in detail by multiple Andreev reflections (MAR) …

Determination of the electron-phonon coupling constants from the experimental temperature dependences of superconducting gaps in MgB2

SA Kuzmichev, TE Kuzmicheva, SN Tchesnokov - JETP Letters, 2014 - Springer
Experimental temperature dependences Δ σ, π (T) of the energy of superconducting gaps for
MgB 2 samples with the critical temperatures 22 K< T c< 41 K have been fitted by selecting …

Comparison of experimental data on the spin resonance frequency and gap magnitudes in Fe-based superconductors

MM Korshunov, VA Shestakov… - Journal of Magnetism and …, 2017 - Elsevier
Here we review experimental data on the peak in inelastic neutron scattering (INS) and
superconducting gaps extracted from various experimental techniques. Comparison of …

Crystal growth, transport phenomena and two-gap superconductivity in the mixed alkali metal (K 1− z Na z) x Fe 2− y Se 2 iron selenide

M Roslova, S Kuzmichev, T Kuzmicheva… - …, 2014 - pubs.rsc.org
Using the self-flux technique we grew superconducting (K1− zNaz) xFe2− ySe2 (z= 0.3)
single crystals. EDX mapping revealed the uniform elements distribution on the crystal …

Estimation of intraband and interband relative coupling constants from temperature dependences of the order parameter for two-gap superconductors

SA Kuzmichev, TE Kuzmicheva… - … of Superconductivity and …, 2016 - Springer
We present temperature dependences of the large and the small superconducting gaps
measured directly by SnS-Andreev spectroscopy in various Fe-based superconductors and …

[PDF][PDF] Цифровое структурно-литологическое геолого-динамическое моделирование месторождений тяжелых минералов

НП Лаверов, ПФ Гожик, ДП Хрущев, АВ Лаломов… - Москва, 2014 - rfbr.ru
История разработки россыпных месторождений России насчитывает уже 200 лет.
Первое крупное научное обобщение по россыпям связывают с именем ЮА Билибина и …