Machine learning sparse tight-binding parameters for defects

C Schattauer, M Todorović, K Ghosh, P Rinke… - npj Computational …, 2022 - nature.com
We employ machine learning to derive tight-binding parametrizations for the electronic
structure of defects. We test several machine learning methods that map the atomic and …

Electronic and magnetic properties of stacked graphene quantum dots

A Tiutiunnyk, D Laroze, JD Correa… - Diamond and Related …, 2023 - Elsevier
The electronic properties of vertically coupled stacked graphene quantum dots (GQDs) of
triangular shape are investigated using density functional theory, including the influence of …

Map** quantum Hall edge states in graphene by scanning tunneling microscopy

T Johnsen, C Schattauer, S Samaddar, A Weston… - Physical Review B, 2023 - APS
Quantum Hall edge states are the paradigmatic example of bulk-boundary correspondence.
They are prone to intricate reconstructions calling for their detailed investigation at high …

Machine learning sparse tight-binding parameters for defects

S Christoph, T Milica, G Kunal… - NPJ Computational …, 2022 - search.proquest.com
We employ machine learning to derive tight-binding parametrizations for the electronic
structure of defects. We test several machine learning methods that map the atomic and …

Energy spectra of graphene quantum dots induced between Landau levels

G Giavaras - Physical Review B, 2021 - APS
When an energy gap is induced in monolayer graphene the valley degeneracy is broken
and the energy spectrum of a confined system such as a quantum dot, becomes rather …

Defects in two-dimensional crystals

C Schattauer - 2023 - repositum.tuwien.at
Two dimensional crystals—exfoliated from weakly (Van der Waals) coupled layered
materials—open the possibility of studying 2D materials both theoretically and …

Valley-filters using kink states in bilayer graphene

K Prikoszovich - 2022 - repositum.tuwien.at
The topic of this thesis is on quantum transport calculations through so-called 'kink'states in
graphene systems. These states allow us to filter electrons according to their valley index …