Visualization of the flat electronic band in twisted bilayer graphene near the magic angle twist

MIB Utama, RJ Koch, K Lee, N Leconte, H Li, S Zhao… - Nature Physics, 2021 - nature.com
Bilayer graphene has been predicted to host a moiré miniband with flat dispersion if the
layers are stacked at specific twist angles known as the'magic angles',. Recently, twisted …

Electronic phase separation in multilayer rhombohedral graphite

Y Shi, S Xu, Y Yang, S Slizovskiy, SV Morozov, SK Son… - Nature, 2020 - nature.com
Of the two stable forms of graphite, hexagonal and rhombohedral, the former is more
common and has been studied extensively. The latter is less stable, which has so far …

Indirect to direct band gap crossover in two-dimensional WS2(1−x)Se2x alloys

C Ernandes, L Khalil, H Almabrouk, D Pierucci… - npj 2D Materials and …, 2021 - nature.com
In atomically thin transition metal dichalcogenide semiconductors, there is a crossover from
indirect to direct band gap as the thickness drops to one monolayer, which comes with a fast …

Gate-tunable magnetism and giant magnetoresistance in suspended rhombohedral-stacked few-layer graphene

Y Lee, S Che, J Velasco Jr, X Gao, Y Shi, D Tran… - Nano Letters, 2022 - ACS Publications
Conventionally, magnetism arises from the strong exchange interaction among the magnetic
moments of d-or f-shell electrons. It can also emerge in perfect lattices from nonmagnetic …

Quasi van der Waals Epitaxy of Rhombohedral-Stacked Bilayer WSe2 on GaP(111) Heterostructure

A Mahmoudi, M Bouaziz, N Chapuis, G Kremer… - ACS …, 2023 - ACS Publications
The growth of bilayers of two-dimensional (2D) materials on conventional 3D
semiconductors results in 2D/3D hybrid heterostructures, which can provide additional …

Theoretical design of porous dodecagonal germanium carbide (d-GeC) monolayer

YZ Abdullahi, F Ersan - RSC advances, 2023 - pubs.rsc.org
Porous nanosheet materials have recently emerged as attractive candidates to serve as
nanofiltration membranes. Through first-principles calculations based on density functional …

Observation of competing, correlated ground states in the flat band of rhombohedral graphite

I Hagymási, MS Mohd Isa, Z Tajkov, K Márity… - Science …, 2022 - science.org
In crystalline solids, the interactions of charge and spin can result in a variety of emergent
quantum ground states, especially in partially filled, topological flat bands such as Landau …

Accessing the spectral function of in operando devices by angle-resolved photoemission spectroscopy

P Hofmann - AVS Quantum Science, 2021 - pubs.aip.org
Progress in performing angle-resolved photoemission spectroscopy (ARPES) with high
spatial resolution on the order of 1 μm or less (nanoARPES) has opened the possibility to …

Dodecagonal Zinc Oxide (-) Monolayer for Water Desalination and Detection of Toxic Gases

YZ Abdullahi, A Tigli, F Ersan - Physical Review Applied, 2023 - APS
Nanoporous materials have attracted great interest because of their variety of applications in
nanodevices, such as gas storage, low-density magnetic storage, energy storage …

Correlated topological flat bands in rhombohedral graphite

H Zhang, Q Li, MG Scheer, R Wang, C Tuo… - Proceedings of the …, 2024 - pnas.org
Flat bands and nontrivial topological physics are two important topics of condensed matter
physics. With a unique stacking configuration analogous to the Su–Schrieffer–Heeger …