Understanding the Effect of Twisting Graphene Sheet on Its Magnetoresistance and Spin Filtration Properties
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Superconductivity and Novel Magnetism"
DOI: 10.1007/s10948-017-4144-z
Abstract: Spin-dependent quantum transport properties in twisted graphene is calculated using density functional theory (DFT) and non-equilibrium Green’s function (NEGF) formulation. Twisting increases the band gap and reduces the spin transport in twisted graphene. At low… read more here.
Keywords: twisted graphene; graphene; magnetoresistance; spin ... See more keywords
Twisted graphene nanoribbons as nonlinear nanoelectronic devices
Sign Up to like & getrecommendations! Published in 2019 at "Carbon"
DOI: 10.1016/j.carbon.2019.04.069
Abstract: Abstract We argue that twisted graphene nanoribbons subjected to a transverse electric field can operate as a variety of nonlinear nanoelectronic devices with tunable current-voltage characteristics controlled by the transverse field. Using the density-functional tight-binding… read more here.
Keywords: field; nanoribbons nonlinear; graphene nanoribbons; nonlinear nanoelectronic ... See more keywords
Dynamic Tunneling Junctions at the Atomic Intersection of Two Twisted Graphene Edges
Sign Up to like & getrecommendations! Published in 2018 at "Nano Letters"
DOI: 10.1021/acs.nanolett.8b00171
Abstract: The investigation of the transport properties of single molecules by flowing tunneling currents across extremely narrow gaps is relevant for challenges as diverse as the development of molecular electronics and sequencing of DNA. The achievement… read more here.
Keywords: twisted graphene; graphene; dynamic tunneling; junctions atomic ... See more keywords
Twisted-Graphene-like Perylene Diimide with Dangling Functional Chromophores as Tunable Small-Molecule Acceptors in Binary-Blend Active Layers of Organic Photovoltaics
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Materials Chemistry A"
DOI: 10.1039/d1ta05697b
Abstract: This study presents synthesized small-molecule acceptors having the structure A-D-A´-D-A—where A, A´, and D represent the end group, the core and π-bridge unit, respectively—that form the active layers with the... read more here.
Keywords: molecule acceptors; twisted graphene; small molecule; active layers ... See more keywords
Twisted graphene stabilized by organic linkers pillaring.
Sign Up to like & getrecommendations! Published in 2022 at "Nanotechnology"
DOI: 10.1088/1361-6528/ac6008
Abstract: Twisted graphene, including magic angle graphene, has attracted extensive attentions for its novel properties recently. However, twisted graphene is intrinsically unstable and this will obstruct their application in practice, especially for twisted nano graphene. The… read more here.
Keywords: graphene stabilized; stabilized organic; graphene; organic linkers ... See more keywords
Ab initio four-band Wannier tight-binding model for generic twisted graphene systems
Sign Up to like & getrecommendations! Published in 2021 at "Physical Review B"
DOI: 10.1103/physrevb.104.l081403
Abstract: The newly realized twisted graphene systems such as twisted bilayer graphene (TBG), twisted double bilayer graphene (TDBG), and twisted trilayer graphene (TTG) have attracted widespread theoretical attention. Therefore, a simple and accurate model of the… read more here.
Keywords: generic twisted; tight binding; graphene; model ... See more keywords
Moiré edge states in twisted graphene nanoribbons
Sign Up to like & getrecommendations! Published in 2018 at "Physical Review B"
DOI: 10.1103/physrevb.97.205128
Abstract: The edge physics of graphene based systems is well known to be highly sensitive to the atomic structure at the boundary, with localized zero mode edge states found only on the zigzag type termination of… read more here.
Keywords: states twisted; moir edge; twisted graphene; edge ... See more keywords
Heterostrain Determines Flat Bands in Magic-Angle Twisted Graphene Layers.
Sign Up to like & getrecommendations! Published in 2021 at "Physical review letters"
DOI: 10.1103/physrevlett.127.126405
Abstract: The moiré of twisted graphene bilayers can generate flat bands in which charge carriers do not possess enough kinetic energy to escape Coulomb interactions with each other, leading to the formation of novel strongly correlated… read more here.
Keywords: heterostrain determines; magic angle; determines flat; flat bands ... See more keywords