Superconducting properties of the s±-wave state: Fe-based superconductors

Y Bang, GR Stewart - Journal of Physics: Condensed Matter, 2017 - iopscience.iop.org
Although the pairing mechanism of Fe-based superconductors (FeSCs) has not yet been
settled with consensus with regard to the pairing symmetry and the superconducting (SC) …

Radiation effects on iron-based superconductors

M Eisterer - Superconductor Science and Technology, 2017 - iopscience.iop.org
This article reviews the results of irradiation experiments on iron-based superconductors,
with particular emphasis on neutron irradiation. These experiments were either done to …

Energy gap evolution across the superconductivity dome in single crystals of (Ba1−xKx)Fe2As2

K Cho, M Kończykowski, S Teknowijoyo… - Science …, 2016 - science.org
The mechanism of unconventional superconductivity in iron-based superconductors (IBSs)
is one of the most intriguing questions in current materials research. Among non-oxide …

Enhancement of superconducting transition temperature by pointlike disorder and anisotropic energy gap in FeSe single crystals

S Teknowijoyo, K Cho, MA Tanatar, J Gonzales… - Physical Review B, 2016 - APS
A highly anisotropic superconducting gap is found in single crystals of FeSe by studying the
London penetration depth Δ λ measured down to 50 mK in samples before and after 2.5 …

Electron irradiation effects on superconductivity in : An application of a generalized Anderson theorem

EI Timmons, S Teknowijoyo, M Kończykowski… - Physical Review …, 2020 - APS
Low-temperature (∼ 20 K) electron irradiation with 2.5 MeV relativistic electrons was used to
study the effect of controlled nonmagnetic disorder on the normal and superconducting …

Using electron irradiation to probe iron-based superconductors

K Cho, M Kończykowski, S Teknowijoyo… - Superconductor …, 2018 - iopscience.iop.org
High-energy electron irradiation at low temperatures is an efficient and controlled way to
create vacancy–interstitial Frenkel pairs in a crystal lattice, thereby inducing nonmagnetic …

Effects of disorder induced by heavy-ion irradiation on (Ba1−xKx)Fe2As2 single crystals, within the three-band Eliashberg s± wave model

G Ghigo, GA Ummarino, L Gozzelino, R Gerbaldo… - Scientific reports, 2017 - nature.com
One of the open issues concerning iron-based superconductors is whether the s±wave
model is able to account for the overall effects of impurity scattering, including the low rate of …

Impurities in multiband superconductors

MM Korshunov, YN Togushova, OV Dolgov - Physics-Uspekhi, 2016 - iopscience.iop.org
Disorder—impurities and defects violating the ideal long-range order—is always present in
solids. It can result in interesting and sometimes unexpected effects in multiband …

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 …

Effects of heavy-ion irradiation on the microwave surface impedance of (Ba1− xKx) Fe2As2 single crystals

G Ghigo, D Torsello, R Gerbaldo… - Superconductor …, 2018 - iopscience.iop.org
The electrodynamic response of Ba 1− x K x Fe 2 As 2 single crystals at the microwave
frequencies has been investigated by means of a coplanar resonator technique, at different …