Superconducting properties of sulfur-doped iron selenide

M Abdel-Hafiez, YY Zhang, ZY Cao, CG Duan… - Physical Review B, 2015 - APS
The recent discovery of high-temperature superconductivity in single-layer iron selenide has
generated significant experimental interest for optimizing the superconducting properties of …

Interplay of charge density wave and multiband superconductivity in layered quasi-two-dimensional materials: The case of and

A Majumdar, D VanGennep, J Brisbois, D Chareev… - Physical Review …, 2020 - APS
Despite intense efforts on all known quasi-two-dimensional superconductors, the origin and
exact boundary of the electronic orderings, particularly charge density waves and …

On the structure of the superconducting order parameter in high-temperature Fe-based superconductors

TE Kuzmicheva, AV Muratov, SA Kuzmichev… - Physics …, 2017 - iopscience.iop.org
We discuss the synthesis, characterization, and comprehensive study of Ba-122 single
crystals with various substitutions and various superconducting transition temperatures. We …

“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 …

Multiple Andreev Reflection Spectroscopy of Optimally Doped Ba(Fe, Ni)2As2 Superconducting Pnictides

TE Kuzmicheva, SA Kuzmichev, KS Pervakov… - JETP Letters, 2020 - Springer
The current-voltage characteristics and dynamic conductance spectra of the SnS junction in
Ba (Fe, Ni) 2 As 2 superconducting pnictide of almost optimal composition have been …

Nodeless superconductivity in the presence of spin-density wave in pnictide superconductors: The case of

M Abdel-Hafiez, Y Zhang, Z He, J Zhao, C Bergmann… - Physical Review B, 2015 - APS
The characteristics of Fe-based superconductors are manifested in their electronic, magnetic
properties, and pairing symmetry of the Cooper pair, but the latter remain to be explored …

Superconductivity and phase stability of potassium-doped p-quinquephenyl

G Huang, GH Zhong, RS Wang, JX Han, HQ Lin… - Carbon, 2019 - Elsevier
The chain-like organic compounds with conjugated structure have the potential to become
high temperature superconductors. Here, we show that p-quinquephenyl containing five …

Electronic band structure and superconducting properties of SnAs

PI Bezotosnyi, KA Dmitrieva, AV Sadakov, KS Pervakov… - Physical Review B, 2019 - APS
We report a comprehensive study of physical properties of the binary superconductor
compound SnAs. The electronic band structure of SnAs was investigated using both angle …

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 …

Sharp peak of the critical current density in at optimal composition

D Van Gennep, A Hassan, H Luo, M Abdel-Hafiez - Physical Review B, 2020 - APS
The importance of type-II superconductors with strong pinning comes from their ability to
carry large electrical currents in the presence of a magnetic field. We report on the results of …