Various defects in graphene: a review

MD Bhatt, H Kim, G Kim - RSC advances, 2022 - pubs.rsc.org
Pristine graphene has been considered one of the most promising materials because of its
excellent physical and chemical properties. However, various defects in graphene produced …

Valleytronics in two-dimensional materials with line defect

H Tian, C Ren, S Wang - Nanotechnology, 2022 - iopscience.iop.org
The concept of valley originates from two degenerate but nonequivalent energy bands at the
local minimum in the conduction band or local maximum in the valence band. Manipulating …

Valleytronics in merging Dirac cones: All-electric-controlled valley filter, valve, and universal reversible logic gate

YS Ang, SA Yang, C Zhang, Z Ma, LK Ang - Physical Review B, 2017 - APS
Despite much anticipation of valleytronics as a candidate to replace the aging
complementary metal-oxide-semiconductor (CMOS) based information processing, its …

Valley-coupled transport in graphene with Y-shaped Kekulé structure

JJ Wang, S Liu, J Wang, JF Liu - Physical Review B, 2018 - APS
We investigate the valley-coupled transport of Dirac electrons in graphene with a uniform Y-
shaped Kekulé lattice distortion, in which the original K and K′ valleys of the pristine …

Scaling properties of polycrystalline graphene: a review

A Isacsson, AW Cummings, L Colombo, L Colombo… - 2D …, 2016 - iopscience.iop.org
We present an overview of the electrical, mechanical, and thermal properties of
polycrystalline graphene. Most global properties of this material, such as the charge mobility …

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) …

Robust all-electrical topological valley filtering using monolayer 2D-Xenes

K Jana, B Muralidharan - npj 2D Materials and Applications, 2022 - nature.com
We propose a realizable device design for an all-electrical robust valley filter that utilizes
spin protected topological interface states hosted on monolayer 2D-Xene materials with …

Valley splitting in the transition-metal dichalcogenide monolayer via atom adsorption

X Chen, L Zhong, X Li, J Qi - Nanoscale, 2017 - pubs.rsc.org
In this letter we study the valley degeneracy splitting of the transition-metal dichalcogenide
monolayer by first-principles calculations. The local magnetic moments are introduced into …

Non-Hermitian Moiré Valley Filter

K Shao, H Geng, E Liu, JL Lado, W Chen, DY Xing - Physical Review Letters, 2024 - APS
A valley filter capable of generating a valley-polarized current is a crucial element in
valleytronics, yet its implementation remains challenging. Here, we propose a valley filter …

Robust valley filter induced by quantum constructive interference in graphene with line defect and strain

L Du, CD Ren, L Cui, WT Lu, HY Tian… - Physica Scripta, 2022 - iopscience.iop.org
In this paper, we theoretically investigate the manipulation of valley-polarized currents and
the optical-like behaviours of Dirac fermions in graphene with single line defect. After the …