k· p theory for two-dimensional transition metal dichalcogenide semiconductors

A Kormányos, G Burkard, M Gmitra, J Fabian… - 2D …, 2015 - iopscience.iop.org
We presentk p· Hamiltonians parametrized byab initiodensity functional theory calculations
to describe the dispersion of the valence and conduction bands at their extrema (theK, Q, Γ …

Tuning the valley and chiral quantum state of Dirac electrons in van der Waals heterostructures

JR Wallbank, D Ghazaryan, A Misra, Y Cao, JS Tu… - Science, 2016 - science.org
Chirality is a fundamental property of electrons with the relativistic spectrum found in
graphene and topological insulators. It plays a crucial role in relativistic phenomena, such as …

Resonant tunnelling between the chiral Landau states of twisted graphene lattices

MT Greenaway, EE Vdovin, A Mishchenko… - Nature Physics, 2015 - nature.com
A class of multilayered functional materials has recently emerged in which the component
atomic layers are held together by weak van der Waals forces that preserve the structural …

Twisted monolayer and bilayer graphene for vertical tunneling transistors

DA Ghazaryan, A Misra, EE Vdovin… - Applied Physics …, 2021 - pubs.aip.org
We prepare twist-controlled resonant tunneling transistors consisting of monolayer and
Bernal bilayer graphene electrodes separated by a thin layer of hexagonal boron nitride …

Non-uniform magnetic fields for single-electron control

M Ballicchia, C Etl, M Nedjalkov, J Weinbub - Nanoscale, 2024 - pubs.rsc.org
Controlling single-electron states becomes increasingly important due to the wide-ranging
advances in electron quantum optics. Single-electron control enables coherent manipulation …

Valley filter from magneto-tunneling between single and bi-layer graphene

L Pratley, U Zülicke - Applied Physics Letters, 2014 - pubs.aip.org
We consider tunneling transport between two parallel graphene sheets; where one is a
single-layer sample and the other one a bi-layer. In the presence of an in-plane magnetic …

Effects of a tilted magnetic field in a Dirac double layer

SS Pershoguba, DSL Abergel, VM Yakovenko… - Physical Review B, 2015 - APS
We calculate the energy spectrum of a Dirac double layer, where each layer has the Dirac
electronic dispersion, in the presence of a tilted magnetic field and small interlayer …

Ultimate sharpness of the tunneling resonance in vertical heterostructures

G Alymov, D Svintsov - arXiv preprint arXiv:2310.07307, 2023 - arxiv.org
Heterostructures comprised of two two-dimensional electron systems (2DES) separated by a
dielectric exhibit resonant tunneling when the band structures of both systems are aligned. It …

Resonance Tunneling Phenomena in Two-Dimensional Multilayer van der Waals Crystalline Systems

EE Vdovin, YN Khanin - JETP Letters, 2018 - Springer
Works, mostly experimental, concerning the most interesting features of application of the
resonant tunneling spectroscopy to a new type of heterosystems, van der Waals …

In-plane chiral tunneling and out-of-plane valley-polarized quantum tunneling in twisted graphene trilayer

JB Qiao, L He - Physical Review B, 2014 - APS
Here we show that a twisted graphene trilayer made by misoriented stacking of a graphene
monolayer on top of a Bernal graphene bilayer can exhibit rich and tailored electronic …