Giant orbital magnetic moments and paramagnetic shift in artificial relativistic atoms and molecules

Z Ge, S Slizovskiy, P Polizogopoulos, T Joshi… - Nature …, 2023 - nature.com
Materials such as graphene and topological insulators host massless Dirac fermions that
enable the study of relativistic quantum phenomena. Single quantum dots and coupled …

High-mobility compensated semimetals, orbital magnetization, and umklapp scattering in bilayer graphene moire superlattices

AL Shilov, MA Kashchenko, PA Pantaleón Peralta… - ACS …, 2024 - ACS Publications
Twist-controlled moiré superlattices (MSs) have emerged as a versatile platform for realizing
artificial systems with complex electronic spectra. The combination of Bernal-stacked bilayer …

[PDF][PDF] Valley filtering and valley-polarized collective modes in bulk graphene monolayers

JL Zheng, F Zhai - Chinese Physics B, 2024 - cpb.iphy.ac.cn
The presence of two sublattices in hexagonal graphene brings two energetically degenerate
extremes in the conduction and valence bands, which are identified by the valley quantum …

Proximity spin-orbit and exchange coupling in ABA and ABC trilayer graphene van der Waals heterostructures

K Zollner, M Gmitra, J Fabian - Physical Review B, 2022 - APS
We investigate the proximity spin-orbit and exchange couplings in ABA and ABC trilayer
graphene encapsulated within monolayers of semiconducting transition-metal …

Spectroscopic signatures of tetralayer graphene polytypes

A McEllistrim, A Garcia-Ruiz, ZAH Goodwin, VI Fal'ko - Physical Review B, 2023 - APS
Tetralayer graphene has recently become a new addition to the family of few-layer
graphenes with versatile electronic properties. This material can be realized in three …

Built-in Bernal gap in large-angle-twisted monolayer-bilayer graphene

A Boschi, ZM Gebeyehu, S Slizovskiy… - Communications …, 2024 - nature.com
Atomically thin materials offer multiple opportunities for layer-by-layer control of their
electronic properties. While monolayer graphene (MLG) is a zero-gap system, Bernal …

Recent progresses on graphene-based artificial nanostructures: a perspective from scanning tunneling microscopy

YW Liu, L He - Quantum Frontiers, 2023 - Springer
Graphene, a Dirac semimetal, exhibits the simplest lattice configuration and band structure
in the world of two-dimensional materials. Due to its remarkable brevity and tunability …

Flat bands for electrons in rhombohedral graphene multilayers with a twin boundary

A Garcia‐Ruiz, S Slizovskiy… - Advanced Materials …, 2023 - Wiley Online Library
Topologically protected flat surface bands make thin films of rhombohedral graphite an
appealing platform for searching for strongly correlated states of 2D electrons. In this work …

Polarization-driven high Rabi frequency of piezotronic valley transistors

R Liu, Y Zhang, Y Zhou, J Nie, L Li, Y Zhang - Nano Energy, 2023 - Elsevier
The properties of spin and valley transport of piezotronics valley transistor is studied based
on a normal/ferromagnetic/normal (NFN) structure of monolayer (ML) transition metal …

Correlation-Induced Symmetry-Broken States in Large-Angle Twisted Bilayer Graphene on MoS2

K Li, LJ Yin, C Che, S Zhang, X Liu, Y **ao, S Liu… - ACS …, 2024 - ACS Publications
Strongly correlated states commonly emerge in twisted bilayer graphene (TBG) with “magic-
angle”(1.1°), where the electron–electron (ee) interaction U becomes prominent relative to …