Probing multiband superconductivity by point-contact spectroscopy
D Daghero, RS Gonnelli - Superconductor Science and …, 2010 - iopscience.iop.org
Point-contact spectroscopy was originally developed for the determination of the electron–
phonon spectral function in normal metals. However, in the past 20 years it has become an …
phonon spectral function in normal metals. However, in the past 20 years it has become an …
Directional point-contact Andreev-reflection spectroscopy of Fe-based superconductors: Fermi surface topology, gap symmetry, and electron–boson interaction
Point-contact Andreev-reflection spectroscopy (PCAR) has proven to be one of the most
powerful tools in the investigation of superconductors, where it provides information on the …
powerful tools in the investigation of superconductors, where it provides information on the …
Quantum transport in ballistic -wave superconductors with interband coupling: Conductance spectra, crossed Andreev reflection, and Josephson current
IB Sperstad, J Linder, A Sudbø - Physical Review B—Condensed Matter and …, 2009 - APS
We study quantum transport in ballistic s±-wave superconductors where coupling between
the two bands is included and apply our model to three possible probes for detecting the …
the two bands is included and apply our model to three possible probes for detecting the …
Andreev spectroscopy of FeSe: Evidence for two-gap superconductivity
YG Ponomarev, SA Kuzmichev, MG Mikheev… - Journal of Experimental …, 2011 - Springer
Current-voltage characteristics (CVCs) of Andreev superconductor-constriction-
superconductor (ScS) contacts in polycrystalline samples of FeSe with the critical …
superconductor (ScS) contacts in polycrystalline samples of FeSe with the critical …
Singlet superconductivity in a single-crystal NiBi3 superconductor
GJ Zhao, XX Gong, PC Xu, BC Li… - Superconductor …, 2018 - iopscience.iop.org
Andreev reflection spectroscopy with unpolarized and highly spin-polarized currents has
been utilized to study an intermetallic single-crystal superconductor NiBi 3 …
been utilized to study an intermetallic single-crystal superconductor NiBi 3 …
Evidence of a universal and isotropic ratio in 122-type iron pnictide superconductors over a wide doping range
We have systematically investigated the doping and the directional dependence of the gap
structure in the 122-type iron pnictide superconductors by point contact Andreev reflection …
structure in the 122-type iron pnictide superconductors by point contact Andreev reflection …
Probing the order parameter of superconducting LiFeAs using Pb/LiFeAs and Au/LiFeAs point-contact spectroscopy
We have fabricated c-axis point-contact junctions between high-quality LiFeAs single
crystals and Pb or Au tips in order to study the nature of the superconducting order …
crystals and Pb or Au tips in order to study the nature of the superconducting order …
Observation of bosonic resonances in GdO1−x F x FeAs by intrinsic multiple Andreev reflection effect spectroscopy
SA Kuzmichev, TE Kuzmicheva - JETP Letters, 2017 - Springer
The current–voltage characteristics and dynamic conductance spectra of Andreev arrays in
nearly optimal GdO 1− x F x FeAs superconductors with the critical temperature T c= 46–50 …
nearly optimal GdO 1− x F x FeAs superconductors with the critical temperature T c= 46–50 …
Predictions of multiband s±strong-coupling Eliashberg theory compared to experimental data in iron pnictides
The experimental critical temperatures and the gap values of the superconducting materials
LaFeAsO 1− x F x, SmFeAsO 1− x F x and Ba 1− x K x Fe 2 As 2, which are exponent of the …
LaFeAsO 1− x F x, SmFeAsO 1− x F x and Ba 1− x K x Fe 2 As 2, which are exponent of the …
Point-contact study of ReFeAsO1− xFx (Re= La, Sm) superconducting films
Abstract Point-contact (PC) Andreev-reflection (AR) measurements of the superconducting
gap in iron-oxypnictide ReFeAsO 1− x F x (Re= La, Sm) films have been carried out. The …
gap in iron-oxypnictide ReFeAsO 1− x F x (Re= La, Sm) films have been carried out. The …