Giant and controllable valley currents in graphene by double pumped thz light

S Sharma, D Gill, S Shallcross - Nano Letters, 2023 - ACS Publications
The field of valleytronics considers the creation and manipulation of “valley states”, charge
excitations characterized by a particular value of the crystal momentum in the Brillouin zone …

Current splitting and valley polarization in elastically deformed graphene

T Stegmann, N Szpak - 2D Materials, 2018 - iopscience.iop.org
Elastic deformations of graphene can significantly change the flow paths and valley
polarization of the electric currents. We investigate these phenomena in graphene …

Klein tunneling in Weyl semimetals under the influence of magnetic field

C Yesilyurt, SG Tan, G Liang, MBA Jalil - Scientific Reports, 2016 - nature.com
Klein tunneling refers to the absence of normal backscattering of electrons even under the
case of high potential barriers. At the barrier interface, the perfect matching of electron and …

In situ strain tuning in hBN-encapsulated graphene electronic devices

L Wang, S Zihlmann, A Baumgartner, J Overbeck… - Nano …, 2019 - ACS Publications
Using a simple setup to bend a flexible substrate, we demonstrate deterministic and
reproducible in situ strain tuning of graphene electronic devices. Central to this method is …

Graphene quantum strain transistors

AC McRae, G Wei, AR Champagne - Physical Review Applied, 2019 - APS
There is a wide range of science and applications accessible via the strain engineering of
quantum transport in 2D materials. We propose a realistic experimental platform for uniaxial …

Electrically tunable valley polarization in Weyl semimetals with tilted energy dispersion

C Yesilyurt, ZB Siu, SG Tan, G Liang, SA Yang… - Scientific reports, 2019 - nature.com
Tunneling transport across electrical potential barriers in Weyl semimetals with tilted energy
dispersion is investigated. We report that the electrons around different valleys experience …

Quantized transport, strain-induced perfectly conducting modes, and valley filtering on shape-optimized graphene Corbino devices

GW Jones, DA Bahamon, AH Castro Neto… - Nano …, 2017 - ACS Publications
The extreme mechanical resilience of graphene and the peculiar coupling it hosts between
lattice and electronic degrees of freedom have spawned a strong impetus toward strain …

Effectuating tunable valley selection via multiterminal monolayer graphene devices

S Tapar, B Muralidharan - Physical Review B, 2023 - APS
Valleytronics using two-dimensional materials opens unprecedented opportunities for
information processing using a valley polarizer as a basic building block. Various …

Perfect valley filter controlled by Fermi velocity modulation in graphene

ARS Lins, JRF Lima - Carbon, 2020 - Elsevier
In this work we investigate the effects of a Fermi velocity modulation in a valley filter in
graphene created by a combination of a magnetic and electric barrier. With the effective …

Symmetry and magnetization effect on the selective spin-valley polarized transport through the ferromagnetic-normal-ferromagnetic ZSiNR junction

M Li, ZB Feng, ZY Zhao - Physica E: Low-Dimensional Systems and …, 2023 - Elsevier
We study the symmetry, magnetization, temperature and electrostatic gating effect on the
selective spin-valley polarized transport through the zigzag silicene nanoribbon (ZSiNR) …