Applications of graphene in five senses, nervous system, and artificial muscles

J Pang, S Peng, C Hou, H Zhao, Y Fan, C Ye… - ACS …, 2023 - ACS Publications
Graphene remains of great interest in biomedical applications because of biocompatibility.
Diseases relating to human senses interfere with life satisfaction and happiness. Therefore …

Why the first magic-angle is different from others in twisted graphene bilayers: Interlayer currents, kinetic and confinement energy, and wave-function localization

LA Navarro-Labastida, A Espinosa-Champo… - Physical Review B, 2022 - APS
The chiral Hamiltonian for twisted graphene bilayers is analyzed in terms of its squared
Hamiltonian which removes the particle-hole symmetry and thus one bipartite lattice …

Topological mixed valence model in magic-angle twisted bilayer graphene

Y Li, BM Fregoso, M Dzero - Physical Review B, 2024 - APS
We develop a model to describe the mixed valence regime in magic-angle twisted bilayer
graphene (MATBG) using the recently developed heavy-fermion framework. By employing …

Extended magic phase in twisted graphene multilayers

DCW Foo, Z Zhan, MM Al Ezzi, L Peng, S Adam… - Physical Review …, 2024 - APS
Theoretical and experimental studies have verified the existence of “magic angles” in twisted
bilayer graphene, where the rotation angle between layers gives rise to flat bands and …

Electronic and magnetic properties of stacked graphene quantum dots

A Tiutiunnyk, D Laroze, JD Correa… - Diamond and Related …, 2023 - Elsevier
The electronic properties of vertically coupled stacked graphene quantum dots (GQDs) of
triangular shape are investigated using density functional theory, including the influence of …

Cone-dependent retro-and specular Andreev reflections in AA-stacked bilayer graphene

WT Lu, QF Sun - Physical Review B, 2023 - APS
We theoretically study the Andreev reflection (AR) in AA-stacked bilayer graphene-
superconductor junction. AABG has a linear gapless energy band with two shifted Dirac …

Impact of a Lifshitz transition on the onset of spontaneous coherence

A Eaton, D Mukherjee, HA Fertig - Physical Review B, 2024 - APS
Lifshitz transitions are topological transitions of a Fermi surface, whose signatures typically
appear in the conduction properties of a host metal. Here, we demonstrate, using an …

Controllable bandgaps of multilayer graphene quantum dots tuned by stacking thickness, interlayer twist and external electric field

X Wang, Y Cui, X Huo, L Zhang, M Yang - Journal of Materials Science, 2023 - Springer
Recent advances in the precise preparation, process, and manipulation of multilayer
graphene quantum dots make it possible to engineer effectively their energy gaps (Δ ε) by …

Role of the Fermi ring in determining the magic angles in twisted bilayer graphene

WC Wang, FW Chen, KS Lin, JT Hou, HC Lin, MY Chou - Physical Review B, 2024 - APS
The unexpected discovery of superconductivity and strong electron correlation in twisted
bilayer graphene (TBG), a system containing only sp electrons, is considered as one of the …

Controllable interlayer shielding effect in twisted multilayer graphene quantum dots

X Wang, Y Lu - Nanoscale, 2024 - pubs.rsc.org
When multilayer graphene (MLG) is subjected to a vertical electric field, electrons traverse
across the layers and its interlayer electrical conductance and shielding effect exhibit …