63 citations · 475 across the 30 of their papers we have counts for
29 papers · 1 filter
Theoretical prediction of strong-coupling superconductivity in a hypothetical NaAlH3 phase at ambient pressure
Izabela A. Wrona, Yinwei Li, Radoslaw Szczesniak +1
We present a comprehensive first-principles investigation of a hypothetical cubic Pm-3m phase of the ternary hydride NaAlH3, focusing on its lattice dynamics, electronic structure,…
Prediction of high-Tc superconductivity under submegabar pressure in ternary actinium borohydrides
Tingting Gu, Wenwen Cui, Jian Hao +4
Ternary hydrides are considered as the ideal candidates with high critical temperature (Tc) stabilized at submegabar pressure, evidenced by the recent discoveries in LaBeH8 (110 K…
A recipe for an effective selection of promising candidates for high-temperature superconductors among binary hydrides
Izabela A. Wrona, Pawel Niegodajew, Artur P. Durajski
Recent research on compressed binary hydrides have unveiled the potential for achieving superconductivity at near-room-temperature. Nevertheless, the available decision-making proc…
(La,Th)H: the potential high- superconductors stabilized thermodynamically below 200 GPa
Peng Song, Zhufeng Hou, Kenta Hongo +1
The recent high-pressure experimental discovery of superconductivity in (La,Y)H, (La,Ce)H, (La,Ce)H, (Y,Ce)H, and (La,Nd)H shows that the ternary r…
Carbonaceous sulfur hydride system: the strong-coupled room-temperature superconductor with a low value of Ginzburg-Landau parameter
I. A. Wrona, M. Kostrzewa, K. A. Krok +2
The superconducting state in Carbonaceous Sulfur Hydride (C-S-H) system is characterized by the record-high critical temperature of ~K experimentally observed at 267 GPa…
Nonadiabatic superconductivity in Li-intercalated hexagonal boron nitride bilayer
K. A. Szewczyk, I. A. Domagalska, A. P. Durajski +1
In the case of Li-intercalated hexagonal boron nitride bilayer (Li-hBN), the vertex corrections of electron-phonon interaction cannot be omitted. This is evidenced by the very high…
Isotope effect in superconducting lanthanum hydride under high compression
Artur P. Durajski, Radoslaw Szczesniak, Yinwei Li +2
Recently, the discovery of room-temperature superconductivity (SC) was experimentally realized in the fcc phase of LaH under megabar pressure. Specifically, the isotope effe…
From LaH10 to room-temperature superconductors
M. Kostrzewa, K. M. Szczesniak, A. P. Durajski +1
Thermodynamic parameters of the superconductor were an object of our interest. is characterised by the highest experimentally observed value of the cr…
The unbalanced phonon-induced superconducting state on a square lattice beyond the static boundary
K. A. Szewczyk, M. W. Jarosik, A. P. Durajski +1
The paper presents our verification of induction of the superconducting state on a square lattice by the linear electron-phonon interaction for values of the unbalance parameter ($…
Pressure effects on the unconventional superconductivity of the noncentrosymmetric LaNiC2
B. Wiendlocha, R. Szczęśniak, A. P. Durajski +1
The unconventional superconductivity in the noncentrosymmetric LaNiC, and its evolution with pressure, is analyzed basing on the {\it ab initio} computations and the full Elias…
Migdal-Eliashberg equations - the effective model for superconducting state in H3S
A. P. Durajski, R. Szczesniak
The high-temperature superconducting state in sulfur trihydride (~K) has been investigated in the context of the non-adiabatic and anharmonic effects. The Migdal-Eliashb…
Anisotropic evolution of energy gap in Bi2212 superconductor
Artur P. Durajski
We present a systematic analysis of the energy gap in underdoped Bi2212 superconductor as a function of temperature and hole doping level. Within the framework of the theoretical m…
Non-BCS temperature dependence of energy gap in thin film electron-doped cuprates
R. Szczesniak, A. P. Durajski
We investigate the dependence of the energy gap () on the temperature () for the electron-doped high-temperature superconductors. The following compounds, in the form of the…
The isotope effect in HS superconductor
R. Szczesniak, A. P. Durajski
The experimental value of isotope coefficient decreases from to in the pressure range from GPa to GPa. We have shown that the value of $0.3…
High-temperature study of superconducting hydrogen and deuterium sulfide
A. P. Durajski, R. Szczesniak, L. Pietronero
Hydrogen-rich compounds are extensively explored as candidates for a high-temperature superconductors. Currently, the measured critical temperature of K in hydrogen sulfide (…
Pseudogap in Eliashberg approach based on electron-phonon and electron-electron-phonon interaction
R. Szczesniak, A. P. Durajski, A. M. Duda
The properties of the superconducting and the anomalous normal state have been described by using the Eliashberg method. The pairing mechanism has been reproduced with help of the…
Study of the superconducting phase in silicene under biaxial tensile strain
A. P. Durajski, D. Szczȩśniak, R. Szczȩśniak
The electron-doped silicene under the influence of the biaxial tensile strain is predicted to be the phonon-mediated superconductor. By using the Eliashberg formalism, we investiga…
Non-BCS thermodynamic properties of H2S superconductor
Artur P. Durajski, Radoslaw Szczesniak, Yinwei Li
The present paper determines the thermodynamic properties of the superconducting state in the compound. The values of the pressure from GPa to GPa were t…
Influence of lithium doping on the thermodynamic properties of graphene based superconductors
D. Szczȩśniak, A. P. Durajski, R. Szczȩśniak
It has been recently observed that the conventional electron-phonon mediated superconducting phase in graphene can be easily induced by doping its surface with the lihitum adatoms.…
The thermodynamic properties of the high-pressure superconducting state in the hydrogen-rich compounds
R. Szczesniak, A. P. Durajski
The ab initio calculations suggest that the superconducting state in CaH6 under the pressure at 150 GPa has the highest critical temperature among the examined hydrogen-rich compou…
Anisotropy of the gap parameter in the hole-doped cuprates
R. Szczesniak, A. P. Durajski
The structure of the gap parameter () for the hole-doped cuprates has been studied. The obtained results indicate that the antinodal part of is very weakly temperatu…
Study of the superconducting state in the Cmmm phase of GeH4 compound
R. Szczęśniak, A. P. Durajski, D. Szczęśniak
A superconducting state, that induces in under the pressure at 20 GPa, is being characterized by a high critical temperature K, for a wide r…
CaLi2 superconductor under the pressure of 100 GPa: the thermodynamic critical field and the specific heat
R. Szczęśniak, A. P. Durajski, P. W. Pach
In the paper, the thermodynamic properties of the CaLi superconductor have been studied. It has been assumed the high value of the pressure: GPa. The thermodynamic crit…
The characterization of high-pressure superconducting state in Si2H6 compound: the strong-coupling description
R. Szczȩśniak, A. P. Durajski
The thermodynamic parameters of the superconducting state, that induces in under the pressure at 275 GPa, have been calculated. In the framework of the Eliashbe…