Superconducting gap of heavily underdoped copper oxide superconductor (Bi,Pb)2Sr2(Ca,Y)Cu2O8+δ
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Electron Spectroscopy and Related Phenomena"
DOI: 10.1016/j.elspec.2017.01.007
Abstract: Abstract The heavily underdoped (Bi,Pb) 2 Sr 2 (Ca,Y)Cu 2 O 8+δ single crystals were successfully grown by conventional floating zone technique with a very slow growth rate of 0.20 mm/h. The superconducting gap of prepared… read more here.
Keywords: superconducting gap; heavily underdoped; gap heavily; underdoped copper ... See more keywords
Hard Superconducting Gap and Diffusion-Induced Superconductors in Ge–Si Nanowires
Sign Up to like & getrecommendations! Published in 2019 at "Nano Letters"
DOI: 10.1021/acs.nanolett.9b03438
Abstract: We show a hard superconducting gap in a Ge–Si nanowire Josephson transistor up to in-plane magnetic fields of 250 mT, an important step toward creating and detecting Majorana zero modes in this system. A hard… read more here.
Keywords: gap; diffusion; superconducting gap; hard superconducting ... See more keywords
Evidence of nematic order and nodal superconducting gap along [110] direction in RbFe2As2
Sign Up to like & getrecommendations! Published in 2019 at "Nature Communications"
DOI: 10.1038/s41467-019-08962-z
Abstract: Unconventional superconductivity often intertwines with various forms of order, such as the nematic order which breaks the rotational symmetry of the lattice. Here we report a scanning tunneling microscopy study on RbFe2As2, a heavily hole-doped… read more here.
Keywords: gap; order; superconducting gap; nematic order ... See more keywords
Proximity-induced superconducting gap in the quantum spin Hall edge state of monolayer WTe2
Sign Up to like & getrecommendations! Published in 2020 at "Nature Physics"
DOI: 10.1038/s41567-020-0816-x
Abstract: The quantum spin Hall (QSH) state was recently demonstrated in monolayers of the transition metal dichalcogenide 1T'-WTe$_2$ and is characterized by a band gap in the two-dimensional (2D) interior and helical one-dimensional (1D) edge states.… read more here.
Keywords: state; edge state; superconducting gap; edge ... See more keywords
Band-dependent superconducting gap in SrFe2(As0.65P0.35)2 studied by angle-resolved photoemission spectroscopy
Sign Up to like & getrecommendations! Published in 2019 at "Scientific Reports"
DOI: 10.1038/s41598-019-52887-y
Abstract: The isovalent-substituted iron pnictide compound SrFe2(As1−x P x )2 exhibits multiple evidence for nodal superconductivity via various experimental probes, such as the penetration depth, nuclear magnetic resonance and specific heat measurements. The direct identification of… read more here.
Keywords: gap; srfe2 as0; superconducting gap; as0 65p0 ... See more keywords
Impact of damping on the superconducting gap dynamics induced by intense terahertz pulses
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review B"
DOI: 10.1103/physrevb.100.054504
Abstract: We investigate the interplay between gap oscillations and damping in the dynamics of superconductors taken out of equilibrium by strong optical pulses with sub-gap Terahertz frequencies. A semi-phenomenological formalism is developed to include the damping… read more here.
Keywords: gap; terahertz; superconducting gap; damping superconducting ... See more keywords
Probing the superconducting gap structure in the noncentrosymmetric topological superconductor ZrRuAs
Sign Up to like & getrecommendations! Published in 2021 at "Physical Review B"
DOI: 10.1103/physrevb.103.144516
Abstract: The superconducting gap structure of a topological crystalline insulator (TCI) candidate ZrRuAs ($T^{\rm on}_{\rm c}$ = 7.9(1) K) with a noncentrosymmetric crystal structure has been investigated using muon spin rotation/relaxation ($\mu$SR) measurements in transverse-field (TF)… read more here.
Keywords: gap; zrruas; superconducting gap; gap structure ... See more keywords
Unusual nodal behaviors of the superconducting gap in the iron-based superconductor Ba ( F e 0.65 R u 0.35 ) 2 A s 2 : Effects of spin-orbit coupling
Sign Up to like & getrecommendations! Published in 2017 at "Physical Review B"
DOI: 10.1103/physrevb.95.104504
Abstract: We have investigated the superconducting (SC) gap on hole Fermi surfaces (FSs) of optimally substituted $\mathrm{Ba}(\mathrm{F}{\mathrm{e}}_{0.65}\mathrm{R}{\mathrm{u}}_{0.35}{)}_{2}\mathrm{A}{\mathrm{s}}_{2}$ by angle-resolved photoemission spectroscopy (APRES) using bulk-sensitive 7 eV laser and synchrotron radiation. It was found that, whereas the… read more here.
Keywords: superconducting gap; orbit coupling; mathrm; spin orbit ... See more keywords
Probing the superconducting gap structure of (Li1−xFex)OHFeSe
Sign Up to like & getrecommendations! Published in 2017 at "Physical Review B"
DOI: 10.1103/physrevb.96.014504
Abstract: We report measurements of the London penetration depth [$\Delta\lambda(T)$] of the recently discovered iron-based superconductor (Li$_{1-x}$Fe$_x$)OHFeSe, in order to characterize the nature of the superconducting gap structure. At low temperatures, $\Delta\lambda(T)$ displays nearly temperature independent… read more here.
Keywords: gap; superconducting gap; gap structure; probing superconducting ... See more keywords
Impurity-induced bound states inside the superconducting gap of FeSe
Sign Up to like & getrecommendations! Published in 2017 at "Physical Review B"
DOI: 10.1103/physrevb.96.094504
Abstract: We investigate the local density of states in the vicinity of a native dumbbell defect arising from an Fe vacancy in FeSe single crystals. The tunneling spectra close to the impurity display two bound states… read more here.
Keywords: gap; bound states; superconducting gap; states inside ... See more keywords
Symmetry analysis of odd- and even-frequency superconducting gap symmetries for time-reversal symmetric interactions
Sign Up to like & getrecommendations! Published in 2018 at "Physical Review B"
DOI: 10.1103/physrevb.97.024507
Abstract: Odd-frequency superconductivity describes a class of superconducting states where the superconducting gap is an odd function in relative time and Matsubara frequency. We present a group theoretical ... read more here.
Keywords: gap; superconducting gap; odd even; time ... See more keywords