Electronic properties of graphene-based bilayer systems

AV Rozhkov, AO Sboychakov, AL Rakhmanov, F Nori - Physics Reports, 2016 - Elsevier
This article reviews the theoretical and experimental work related to the electronic properties
of bilayer graphene systems. Three types of bilayer stackings are discussed: the AA, AB, and …

Dirac materials

TO Wehling, AM Black-Schaffer… - Advances in Physics, 2014 - Taylor & Francis
A wide range of materials, like d-wave superconductors, graphene, and topological
insulators, share a fundamental similarity: their low-energy fermionic excitations behave as …

Tuning defects in oxides at room temperature by lithium reduction

G Ou, Y Xu, B Wen, R Lin, B Ge, Y Tang, Y Liang… - Nature …, 2018 - nature.com
Defects can greatly influence the properties of oxide materials; however, facile defect
engineering of oxides at room temperature remains challenging. The generation of defects …

Quenched Pair Breaking by Interlayer Correlations as a Key to Superconductivity in

S Ryee, N Witt, TO Wehling - Physical Review Letters, 2024 - APS
The recent discovery of superconductivity in La 3 Ni 2 O 7 with T c≃ 80 K under high
pressure opens up a new route to high-T c superconductivity. This material realizes a bilayer …

Molecular pairing in twisted bilayer graphene superconductivity

YJ Wang, GD Zhou, SY Peng, B Lian, ZD Song - Physical Review Letters, 2024 - APS
We propose a theory for how the weak phonon-mediated interaction (JA= 1–4 meV) wins
over the prohibitive Coulomb repulsion (U= 30–60 meV) and leads to a superconductor in …

Defect Modulation of Z-Scheme TiO2/Cu2O Photocatalysts for Durable Water Splitting

T Wei, YN Zhu, X An, LM Liu, X Cao, H Liu, J Qu - ACS Catalysis, 2019 - ACS Publications
Although possessing high activity for solar hydrogen production, exploring robust Cu2O-
based photocatalysts remains a challenging task due to its intrinsic drawback of susceptible …

Brillouin-Wigner theory for high-frequency expansion in periodically driven systems: Application to Floquet topological insulators

T Mikami, S Kitamura, K Yasuda, N Tsuji, T Oka, H Aoki - Physical Review B, 2016 - APS
We construct a systematic high-frequency expansion for periodically driven quantum
systems based on the Brillouin-Wigner (BW) perturbation theory, which generates an …

Large magnetic exchange coupling in rhombus-shaped nanographenes with zigzag periphery

S Mishra, X Yao, Q Chen, K Eimre, O Gröning… - Nature …, 2021 - nature.com
Nanographenes with zigzag edges are predicted to manifest non-trivial π-magnetism
resulting from the interplay of concurrent electronic effects, such as hybridization of localized …

Quantitative theory of magnetic interactions in solids

A Szilva, Y Kvashnin, EA Stepanov, L Nordström… - Reviews of Modern …, 2023 - APS
This review addresses the method of explicit calculations of interatomic exchange
interactions of magnetic materials. This involves exchange mechanisms normally referred to …

Electrically controllable magnetism in twisted bilayer graphene

LA Gonzalez-Arraga, JL Lado, F Guinea, P San-Jose - Physical review letters, 2017 - APS
Twisted graphene bilayers develop highly localized states around AA-stacked regions for
small twist angles. We show that interaction effects may induce either an antiferromagnetic …