Engineering Proximity Exchange by Twisting: Reversal of Ferromagnetic and Emergence of Antiferromagnetic Dirac Bands in

K Zollner, J Fabian - Physical Review Letters, 2022 - APS
We investigate the twist-angle and gate dependence of the proximity exchange coupling in
twisted graphene on monolayer Cr 2 Ge 2 Te 6 from first principles. The proximitized Dirac …

[PDF][PDF] Valley filtering and valley-polarized collective modes in bulk graphene monolayers

JL Zheng, F Zhai - Chinese Physics B, 2024 - cpb.iphy.ac.cn
The presence of two sublattices in hexagonal graphene brings two energetically degenerate
extremes in the conduction and valence bands, which are identified by the valley quantum …

Electrically tunable exchange splitting in bilayer graphene on monolayer Cr2X2Te6 with X= Ge, Si, and Sn

K Zollner, M Gmitra, J Fabian - New Journal of Physics, 2018 - iopscience.iop.org
We investigate the electronic band structure and the proximity exchange effect in bilayer
graphene (BLG) on a family of ferromagnetic multilayers Cr 2 X 2 Te 6, X= Ge, Si, and Sn …

Proximity magnetoresistance in graphene induced by magnetic insulators

DA Solis, A Hallal, X Waintal, M Chshiev - Physical Review B, 2019 - APS
We demonstrate the existence of the giant proximity magnetoresistance (PMR) effect in a
graphene spin valve where spin polarization is induced by a nearby magnetic insulator …

Magnetic dielectric-graphene-ferroelectric system as a promising non-volatile device for modern spintronics

AI Kurchak, AN Morozovska, MV Strikha - Journal of Applied Physics, 2019 - pubs.aip.org
The conductivity of the system magnetic dielectric (EuO)-graphene channel-ferroelectric
substrate was considered. The magnetic dielectric locally transforms the band spectrum of …

Spin-selectable, region-tunable negative differential resistance in graphene double ferromagnetic barriers

Y Song, Y Liu, X Feng, F Yan, W Zhang - Physical Chemistry Chemical …, 2018 - pubs.rsc.org
We propose a graphene device that can generate spin-dependent negative differential
resistance (NDR). The device is composed of a sufficiently wide and short graphene sheet …

[图书][B] Spintronics: Theory, Modelling, Devices

T Blachowicz, A Ehrmann - 2024 - books.google.com
Spintronics, being a part of electronics, is under intense development for about forty years
and mainly concerns transport of electronics spin in low-dimensional structures. This field …

Valley filtering in graphene under a magnetic proximity

J Zheng, J Lu, F Zhai - Physical Review B, 2022 - APS
We investigate valley-dependent electronic transport properties of graphene in close
proximity to a thick ferromagnetic insulator (FI). It is found that spin-resolved valley filtering …

Twist-and gate-tunable proximity spin-orbit coupling, spin relaxation anisotropy, and charge-to-spin conversion in heterostructures of graphene and transition metal …

K Zollner, SM João, BK Nikolić, J Fabian - Physical Review B, 2023 - APS
Proximity-induced phenomena in van der Waals heterostructures have emerged as a
platform to tailor the electronic, spin, optical, and topological properties in two-dimensional …

Klein tunnelling and Hartman effect in graphene junctions with proximity exchange field

J Tepper, J Barnaś - Journal of Physics: Condensed Matter, 2019 - iopscience.iop.org
Tunnelling of electrons in graphene-based junctions is studied theoretically. Graphene is
assumed to be deposited either directly on a ferromagnetic insulator or on a few atomic …