Calculating excitons, plasmons, and quasiparticles in 2D materials and van der Waals heterostructures

KS Thygesen - 2D Materials, 2017 - iopscience.iop.org
Atomically thin two-dimensional (2D) materials host a rich set of electronic states that differ
substantially from those of their bulk counterparts due to quantum confinement and …

Probing functional structures, defects, and interfaces of 2D transition metal dichalcogenides by electron microscopy

R Luo, M Gao, C Wang, J Zhu… - Advanced Functional …, 2024 - Wiley Online Library
Abstract 2D transition metal dichalcogenides (TMDs) exhibit remarkable properties that are
strongly influenced by their atomic structures, as well as by various types of defects and …

Tunable Multipolar Surface Plasmons in 2D Ti3C2Tx MXene Flakes

JK El-Demellawi, S Lopatin, J Yin, OF Mohammed… - ACS …, 2018 - ACS Publications
2D Ti3C2 T x MXenes were recently shown to exhibit intense surface plasmon (SP)
excitations; however, their spatial variation over individual Ti3C2 T x flakes remains …

Finite-momentum exciton landscape in mono-and bilayer transition metal dichalcogenides

T Deilmann, KS Thygesen - 2D Materials, 2019 - iopscience.iop.org
Monolayers and bilayers of transition metal dichalcogenides (TMDCs) are currently being
intensively scrutinized not least due to their rich opto-electronic properties which are …

Strongly coupled magnon–plasmon polaritons in graphene-two-dimensional ferromagnet heterostructures

AT Costa, MI Vasilevskiy, J Fernández-Rossier… - Nano Letters, 2023 - ACS Publications
Magnons and plasmons are different collective modes, involving the spin and charge
degrees of freedom, respectively. Formation of hybrid plasmon–magnon polaritons in …

Synthesis of an aqueous, air-stable, superconducting 1T′-WS2 monolayer ink

X Song, R Singha, G Cheng, YW Yeh, F Kamm… - Science …, 2023 - science.org
Liquid-phase chemical exfoliation can achieve industry-scale production of two-dimensional
(2D) materials for a wide range of applications. However, many 2D materials with potential …

Mapping the energy-momentum dispersion of hBN excitons and hybrid plasmons in hBN-WSe2 heterostructures

HC Nerl, JP Guerrero-Felipe, AM Valencia… - npj 2D Materials and …, 2024 - nature.com
Heterostructures obtained by combining two-dimensional (2D) sheets are widely
investigated as a platform for designing new materials with customised characteristics …

Enhancing Light–Matter Interactions in MoS2 by Copper Intercalation

C Stern, A Twitto, RZ Snitkoff, Y Fleger… - Advanced …, 2021 - Wiley Online Library
The intercalation of layered compounds opens up a vast space of new host–guest hybrids,
providing new routes for tuning the properties of materials. Here, it is shown that uniform and …

Nanoscale Modification of WS2 Trion Emission by Its Local Electromagnetic Environment

N Bonnet, HY Lee, F Shao, SY Woo, JD Blazit… - Nano Letters, 2021 - ACS Publications
Structural, electronic, and chemical nanoscale modifications of transition metal
dichalcogenide monolayers alter their optical properties. A key missing element for complete …

Nanoscale mapping of hydrogen evolution on metallic and semiconducting MoS 2 nanosheets

T Sun, H Zhang, X Wang, J Liu, C Xiao… - Nanoscale …, 2019 - pubs.rsc.org
Hydrogen evolution reaction (HER) on molybdenum disulfide (MoS2) nanosheets is
enhanced for the metallic (1T) phase relative to the thermodynamically stable …