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 …

Swap** exchange and spin-orbit induced correlated phases in proximitized Bernal bilayer graphene

Y Zhumagulov, D Kochan, J Fabian - Physical Review B, 2024 - APS
Ex-so-tic van der Waals heterostructures take advantage of electrically tunable layer
polarization to swap proximity exchange and spin-orbit coupling in the electronically active …

Emergent correlated phases in rhombohedral trilayer graphene induced by proximity spin-orbit and exchange coupling

Y Zhumagulov, D Kochan, J Fabian - Physical Review Letters, 2024 - APS
The impact of proximity-induced spin-orbit and exchange coupling on the correlated phase
diagram of rhombohedral trilayer graphene (RTG) is investigated theoretically. By employing …

Proximity spin-orbit and exchange coupling in ABA and ABC trilayer graphene van der Waals heterostructures

K Zollner, M Gmitra, J Fabian - Physical Review B, 2022 - APS
We investigate the proximity spin-orbit and exchange couplings in ABA and ABC trilayer
graphene encapsulated within monolayers of semiconducting transition-metal …

Spin–orbit and exchange proximity couplings in graphene/1T-TaS2 heterostructure triggered by a charge density wave

K Szałowski, M Milivojević, D Kochan, M Gmitra - 2D Materials, 2023 - iopscience.iop.org
Proximity-induced fine features and spin-textures of the electronic bands in graphene-based
van der Waals heterostructures can be explored from the point of tailoring a twist angle …

Proximity effects in graphene on monolayers of transition-metal phosphorus trichalcogenides

K Zollner, J Fabian - Physical Review B, 2022 - APS
We investigate the electronic band structure of graphene on a series of two-dimensional
magnetic transition-metal phosphorus trichalcogenide monolayers, MPX 3 with M={Mn, Fe …

Displacement field tunable superconductivity in an inversion-symmetric twisted van der Waals heterostructure

HD Scammell, MS Scheurer - Physical Review B, 2024 - APS
We investigate the superconducting properties of inversion-symmetric twisted trilayer
graphene by considering different parent states, including spin-singlet, triplet, and SO (4) …

Hamiltonian learning with real-space impurity tomography in topological moiré superconductors

M Khosravian, R Koch, JL Lado - Journal of Physics: Materials, 2024 - iopscience.iop.org
Extracting Hamiltonian parameters from available experimental data is a challenge in
quantum materials. In particular, real-space spectroscopy methods such as scanning …

Stabilizing the Inverted Phase of a WSe2/BLG/WSe2 Heterostructure via Hydrostatic Pressure

M Kedves, B Szentpéteri, A Márffy, E Tóvári… - Nano Letters, 2023 - ACS Publications
Bilayer graphene (BLG) was recently shown to host a band-inverted phase with
unconventional topology emerging from the Ising-type spin–orbit interaction (SOI) induced …

Tunable superconductivity and Möbius Fermi surfaces in an inversion-symmetric twisted van der Waals heterostructure

HD Scammell, MS Scheurer - Physical Review Letters, 2023 - APS
We theoretically study a moiré superlattice geometry consisting of mirror-symmetric twisted
trilayer graphene surrounded by identical transition metal dichalcogenide layers. We show …