Light-induced valleytronics in pristine graphene

MS Mrudul, Á Jiménez-Galán, M Ivanov, G Dixit - Optica, 2021 - opg.optica.org
Electrons in two-dimensional hexagonal materials have an extra degree of freedom, the
valley pseudospin, that can be used to encode and process quantum information. Valley …

[PDF][PDF] Mechanical, electronic, optical, piezoelectric and ferroic properties of strained graphene and other strained monolayers and multilayers: An update

GG Naumis, SA Herrera, SP Poudel… - Rep. Prog …, 2023 - researchgate.net
This is an update of a previous review (Naumis et al 2017 Rep. Prog. Phys. 80 096501).
Experimental and theoretical advances for straining graphene and other metallic, insulating …

Folding and Fracture of Single‐Crystal Graphene Grown on a Cu (111) Foil

D Luo, M Choe, RA Bizao, M Wang, H Su… - Advanced …, 2022 - Wiley Online Library
A single‐crystal graphene film grown on a Cu (111) foil by chemical vapor deposition (CVD)
has ribbon‐like fold structures. These graphene folds are highly oriented and essentially …

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 …

Curved graphene: A possible answer to the problem of graphene's diverging magnetic susceptibility

AJ Espinosa-Champo, GG Naumis, P Castro-Villarreal - Physical Review B, 2024 - APS
A study of curved graphene in the presence and absence of a real magnetic field is
conducted to determine the magnetization and magnetic susceptibility. Utilizing a Dirac …

Controlling valley-polarisation in graphene via tailored light pulses

MS Mrudul, G Dixit - Journal of Physics B: Atomic, Molecular and …, 2021 - iopscience.iop.org
Analogous to charge and spin, electrons in solids endows an additional degree of freedom:
the valley pseudospin. Two-dimensional hexagonal materials such as graphene exhibit two …

Valley-dependent tunneling through electrostatically created quantum dots in heterostructures of graphene with hexagonal boron nitride

A Belayadi, NA Hadadi, P Vasilopoulos, A Abbout - Physical Review B, 2023 - APS
Kelvin probe force microscopy (KPFM) has been employed to probe charge carriers in a
graphene/hexagonal boron nitride (hBN) heterostructure [Nano Lett. 21, 5013 (2021) …

Graphene nanoelectromechanical systems as valleytronic devices

W Ortiz, N Szpak, T Stegmann - Physical Review B, 2022 - APS
We investigate electronic transport in graphene nanoelectromechanical systems, known
also as graphene nanodrums or nanomembranes. We demonstrate that these devices …

Interaction Effects and Non-Integer Pseudo-Landau Levels in Engineered Periodically Strained Graphene

I Šrut Rakić, MJ Gilbert, P Sarkar, A Aishwarya… - Nano Letters, 2024 - ACS Publications
Strain superlattices (SL) in 2D materials like graphene provide an ideal test bed for
generating flat bands and exploring the effects of strong correlations. Here we report …

Effective magnetic field induced by inhomogeneous Fermi velocity in strained honeycomb structures

M Oliva-Leyva, JE Barrios-Vargas, GG de la Cruz - Physical Review B, 2020 - APS
In addition to the known pseudomagnetic field, nonuniform strains independently induce a
position-dependent Fermi velocity (PDFV) in graphene. Here we demonstrate that, due to …