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Evidence of Flat Bands and Correlated States in Buckled Graphene Superlattices
Jinhai Mao, Slaviša P. Milovanović, Miša Anđelković +9
Two-dimensional atomic crystals can radically change their properties in response to external influences such as substrate orientation or strain, resulting in essentially new mater…
Flat Bands in Buckled Graphene Superlattices
Yuhang Jiang, Miša Anđelković, Slaviša P. Milovanović +8
Interactions between stacked two-dimensional (2D) atomic crystals can radically change their properties, leading to essentially new materials in terms of the electronic structure.…
Dimensional reduction, quantum Hall effect and layer parity in graphite films
Jun Yin, Sergey Slizovskiy, Yang Cao +13
The quantum Hall effect (QHE) originates from discrete Landau levels forming in a two-dimensional (2D) electron system in a magnetic field. In three dimensions (3D), the QHE is for…
Large tunable valley splitting in edge-free graphene quantum dots on boron nitride
Nils M. Freitag, Tobias Reisch, Larisa A. Chizhova +10
Coherent manipulation of binary degrees of freedom is at the heart of modern quantum technologies. Graphene offers two binary degrees: the electron spin and the valley. Efficient s…
Observing imperfection in atomic interfaces for van der Waals heterostructures
Aidan. P. Rooney, Aleksey Kozikov, Alexander N. Rudenko +8
Vertically stacked van der Waals heterostructures are a lucrative platform for exploring the rich electronic and optoelectronic phenomena in two-dimensional materials. Their perfor…
Stacking transition in bilayer graphene caused by thermally activated rotation
Mengjian Zhu, Davit Ghazaryan, Seok-Kyun Son +8
Crystallographic alignment between two-dimensional crystals in van der Waals heterostructures brought a number of profound physical phenomena, including observation of Hofstadter b…
Tuning the pseudospin polarization of graphene by a pseudo-magnetic field
Alexander Georgi, Peter Nemes-Incze, Ramon Carrillo-Bastos +16
One of the intriguing characteristics of honeycomb lattices is the appearance of a pseudo-magnetic field as a result of mechanical deformation. In the case of graphene, the Landau…
High Electron Mobility, Quantum Hall Effect and Anomalous Optical Response in Atomically Thin InSe
D. A. Bandurin, A. V. Tyurnina, G. L. Yu +16
A decade of intense research on two-dimensional (2D) atomic crystals has revealed that their properties can differ greatly from those of the parent compound. These differences are…
Electrostatically confined monolayer graphene quantum dots with orbital and valley splittings
Nils M. Freitag, Larisa A. Chizhova, Peter Nemes-Incze +8
The electrostatic confinement of massless charge carriers is hampered by Klein tunneling. Circumventing this problem in graphene mainly relies on carving out nanostructures or appl…
Nonlocal Response and Anamorphosis: the Case of Few-Layer Black Phosphorus
Artem Mishchenko, Yang Cao, Geliang Yu +5
Few-layer black phosphorus was recently rediscovered as a narrow-bandgap atomically thin semiconductor and has already attracted unprecedented attention due to its interesting prop…