Anisotropic superconductivity in La(O,F)BiSeS crystals revealed by field-angle dependent Andreev reflection spectroscopy
Sign Up to like & getrecommendations! Published in 2017 at "Solid State Communications"
DOI: 10.1016/j.ssc.2017.07.016
Abstract: Abstract From field-angle dependent Andreev reflection spectroscopy on single crystals of La(O,F)BiSeS, which belongs to the recently discovered BiCh 2 (Ch = S, Se) based layered superconductors, we found that the superconductivity in La(O,F)BiSeS is… read more here.
Keywords: field; andreev reflection; spectroscopy; field angle ... See more keywords
Engineering Crossed Andreev Reflection in Double Bilayer Graphene.
Sign Up to like & getrecommendations! Published in 2019 at "Nano letters"
DOI: 10.1021/acs.nanolett.9b03981
Abstract: Crossed Andreev reflection (CAR) is a nonlocal process that converts an incoming electron (hole) from one normal electrode to an out-going hole (electron) in another normal electrode through a superconductor (SC). CAR corresponds to the… read more here.
Keywords: bilayer graphene; double bilayer; crossed andreev; andreev reflection ... See more keywords
Equal-Spin Andreev Reflection on Junctions of Spin-Resolved Quantum Hall Bulk State and Spin-Singlet Superconductor
Sign Up to like & getrecommendations! Published in 2018 at "Scientific Reports"
DOI: 10.1038/s41598-018-21707-0
Abstract: The recent development of superconducting spintronics has revealed the spin-triplet superconducting proximity effect from a spin-singlet superconductor into a spin-polarized normal metal. In addition recently superconducting junctions using semiconductors are in demand for highly controlled… read more here.
Keywords: singlet superconductor; spin singlet; spin; andreev reflection ... See more keywords
Epitaxial contact Andreev reflection spectroscopy of NbN/Co2FeSi layered devices
Sign Up to like & getrecommendations! Published in 2018 at "Applied Physics Letters"
DOI: 10.1063/1.5007287
Abstract: We investigated the spin polarization P of Co-based Heusler alloy Co2FeSi by epitaxial contact Andreev reflection (ECAR) spectroscopy using epitaxially grown superconductor NbN and Heusler alloy Co2FeSi layered devices. Ferromagnetic Co2FeSi possesses the highest Curie… read more here.
Keywords: andreev reflection; contact andreev; co2fesi; spectroscopy ... See more keywords
Charge Transport Properties of the Majorana Zero Mode Induced Noncollinear Spin Selective Andreev Reflection*
Sign Up to like & getrecommendations! Published in 2019 at "Chinese Physics Letters"
DOI: 10.1088/0256-307x/36/10/107102
Abstract: We study the charge transport of the spin-selective Andreev reflection(SSAR) effect between a spin polarized scanning tunneling microscope(STM) tip and a Majorana zero mode(MZM). Considering both the MZM and the excited states, we calculate the… read more here.
Keywords: transport; charge transport; andreev reflection; spin ... See more keywords
Possible Fano Effect and Suppression of Andreev Reflection in La3Ni2O7
Sign Up to like & getrecommendations! Published in 2024 at "Chinese Physics Letters"
DOI: 10.1088/0256-307x/42/1/017301
Abstract: The recently discovered high-temperature superconductor La3Ni2O7 under high pressure has sparked considerable debate. Central controversies revolve around whether interlayer or intralayer pairing mechanisms dominate and whether hybridization plays a crucial role in establishing superconductivity. However,… read more here.
Keywords: andreev reflection; effect suppression; fano effect; possible fano ... See more keywords
A model for Andreev reflection induced by d-wave superconductivity in graphene nanoribbons
Sign Up to like & getrecommendations! Published in 2024 at "Modelling and Simulation in Materials Science and Engineering"
DOI: 10.1088/1361-651x/ad9ca0
Abstract: An approximate method for implementing the d-wave superconductivity in the tight-binding lattice model for graphene is proposed. A real-space pair potential having the d-wave symmetry is derived by regarding the honeycomb lattice as a multi-component… read more here.
Keywords: andreev reflection; wave superconductivity; induced wave; reflection induced ... See more keywords
Andreev reflection in topological nodal-line semimetals superconductor junction
Sign Up to like & getrecommendations! Published in 2024 at "New Journal of Physics"
DOI: 10.1088/1367-2630/ad8958
Abstract: Andreev reflection is an important quantum tunneling phenomenon in the conductor-superconductor junction. The Andreev reflection coefficients TAR of a hybrid system with s-wave superconductor connected by topological nodal-line semimetals (TNLSMs-SC junction system) is calculated theoretically… read more here.
Keywords: andreev reflection; system; energy; reflection coefficients ... See more keywords
Non-local Andreev reflection through Andreev molecular states in graphene Josephson junctions
Sign Up to like & getrecommendations! Published in 2022 at "2D Materials"
DOI: 10.1088/2053-1583/acce4b
Abstract: We propose that a device composed of two vertically stacked monolayer graphene Josephson junctions can be used for Cooper pair splitting. The hybridization of the Andreev bound states of the two Josephson junction can facilitate… read more here.
Keywords: josephson junctions; graphene josephson; non local; andreev ... See more keywords
Multiband superconductivity and possible nodal gap in RbCr3As3 revealed by Andreev reflection and single-particle tunneling measurements
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review B"
DOI: 10.1103/physrevb.100.094511
Abstract: By measuring point-contact Andreev reflection spectra in the newly discovered chromium-based quasi-one-dimensional superconductor RbCr$_{3}$As$_{3}$, we find clear evidence of two superconducting components, one has a gap value of about 1.8 meV and another about 5… read more here.
Keywords: andreev reflection; gap; single particle; particle tunneling ... See more keywords
Superconducting order parameter and bosonic mode in hydrogen-substituted NdFeAsO0.6H0.36 revealed by multiple-Andreev-reflection spectroscopy
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review B"
DOI: 10.1103/physrevb.100.144504
Abstract: Using intrinsic multiple-Andreev-reflection-effect spectroscopy, we studied ballistic superconductor-normal metal-superconductor (SnS) contacts in layered oxypnictide superconductors NdFeAsO0.6H0.36 with critical temperatures Tc=45−48 K. We directly determined the magnitude of two bulk superconducting order parameters, the large gap… read more here.
Keywords: spectroscopy; andreev reflection; multiple andreev; bosonic mode ... See more keywords