Electronic and superconducting properties of the AFeAs (A= Li, Na) family alkali-metal pnictides: current stage of the research (brief review)

TE Kuzmicheva, SA Kuzmichev - JETP Letters, 2021‏ - Springer
The review is focused on one of the most exotic families of iron-based superconductors
belonging to the AFeAs structural class, where A is an alkali metal. We briefly concern …

Correlation-enhanced odd-parity interorbital singlet pairing in the iron-pnictide superconductor LiFeAs

R Nourafkan, G Kotliar, AMS Tremblay - Physical review letters, 2016‏ - APS
The rich variety of iron-based superconductors and their complex electronic structure lead to
a wide range of possibilities for gap symmetry and pairing components. Here we solve in the …

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 …

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 …

Tracing the electronic pairing glue in unconventional superconductors via inelastic scanning tunneling spectroscopy

P Hlobil, J Jandke, W Wulfhekel, J Schmalian - Physical Review Letters, 2017‏ - APS
Scanning tunneling microscopy has been shown to be a powerful experimental probe to
detect electronic excitations and further allows us to deduce fingerprints of bosonic collective …

Cooper pairs without “glue” in high-Tc superconductors: A universal phase diagram

W Sacks, A Mauger, Y Noat - Europhysics Letters, 2017‏ - iopscience.iop.org
Cooper pairs without "glue" in high-Tc superconductors: A universal phase diagram -
IOPscience Skip to content IOP Science home Accessibility Help Search Journals Journals list …

Anisotropic and tunable vortex topology in multiband iron-based superconductors

SQ Yu, W Cheng, C Li, XH Pan, G Xu… - arxiv preprint arxiv …, 2024‏ - arxiv.org
Building on the multiband nature of iron-based superconductors (FeSCs), we have
uncovered pronounced anisotropy in Majorana vortex topology arising from the interaction …

Absence of hexagonal-to-square lattice transition in LiFeAs vortex matter

S Hoffmann, R Schlegel, C Salazar, S Sykora, PK Nag… - Physical Review B, 2022‏ - APS
We investigated magnetic vortices in two stoichiometric LiFeAs samples by means of
scanning tunneling microscopy and spectroscopy. The vortices were revealed by measuring …

Multiple Andreev reflections effect spectroscopy of LiFeAs single crystals: Three superconducting order parameters and their temperature evolution

S Kuzmichev, T Kuzmicheva, I Morozov, A Boltalin… - SN Applied …, 2022‏ - Springer
The structure of the superconducting order parameter of LiFeAs is studied by incoherent
multiple Andreev reflections effect (IMARE) spectroscopy. The high transparent …

Пниктиды семейства FeAs ( = Li, Na) на основе щелочных металлов: современное состояние исследований электронных и сверхпроводящих свойств …

ТЕ Кузьмичева, СА Кузьмичёв - Письма в Журнал …, 2021‏ - mathnet.ru
Обзор посвящен одному из самых экзотических семейств железосодержащих
сверхпроводников, принадлежащих к структурному типу AFeAs, где A–щелочной …