Collective Excitations in 2D Materials
arXiv:2104.11441 · doi:10.1038/s42254-020-0214-4
Abstract
Research on 2D materials has been one of the fastest-growing fields in condensed matter physics and materials science in the past 10 years. The low dimensionality and strong correlations of 2D systems give rise to electronic and structural properties, in the form of collective excitations, that do not have counterparts in ordinary 3D materials used in modern technology. These 2D materials present extraordinary opportunities for new technologies, such as in flexible electronics. In this Review, we focus on plasmons, excitons, phonons and magnons in 2D materials. We discuss the theoretical formalism of these collective excitations and elucidate how they differ from their 3D counterparts.
References in corpus (35)
- Electric Field Effect in Atomically Thin Carbon Films
- The electronic properties of graphene
- Valley polarization in MoS2 monolayers by optical pumping
- Observation of Long-Lived Interlayer Excitons in Monolayer MoSe2-WSe2 Heterostructures
- Phonon and Raman scattering of two-dimensional transition metal dichalcogenides from monolayer, multilayer to bulk material
- Tightly bound excitons in monolayer WSe2
- Strong light-matter coupling in two-dimensional atomic crystals
- Observation of Moiré Excitons in WSe2/WS2 Heterostructure Superlattices
- Dynamical polarization of graphene at finite doping
- Ising-Type Magnetic Ordering in Atomically Thin FePS3
- Quasiparticle band structures and optical properties of strained monolayer MoS2 and WS2
- Resonantly hybridised excitons in moiré superlattices in van der Waals heterostructures
- Plasmons and screening in monolayer and multilayer black phosphorus
- Evidence of high-temperature exciton condensation in 2D atomic double layers
- High-temperature superfluidity with indirect excitons in van der Waals heterostructures
- Robust optical emission polarization in MoS2 monolayers through selective valley excitation
- Electrical suppression of all nonradiative recombination pathways in monolayer semiconductors
- The Role of Electron-electron Interactions in Graphene ARPES Spectra
- Many-Body Theory of Trion Absorption Features in Two-Dimensional Semiconductors
- Observation of Low-frequency Interlayer Breathing Modes in Few-layer Black Phosphorus
- Excitons in anisotropic 2D semiconducting crystals
- A Review on Flexural Mode of Graphene: Lattice Dynamics, Thermal Conduction, Thermal Expansion, Elasticity, and Nanomechanical Resonance
- Layer breathing modes in few-layer graphene
- Large Frequency Change with Thickness in Interlayer Breathing Mode - Significant Interlayer Interactions in Few Layer Black Phosphorus
- Diffusion quantum Monte Carlo study of excitonic complexes in two-dimensional transition-metal dichalcogenides
- Three-particle Complexes in Two-Dimensional Semiconductors
- Engineering of Neutral Excitons and Exciton Complexes in Transition Metal Dichalcogenide Monolayers through External Dielectric Screening
- Graphene optomechanics realized at microwave frequencies
- On the Hohenberg-Mermin-Wagner theorem and its limitations
- Temperature-activated layer-breathing vibrations in few-layer graphene
- Towards superfluidity of dipolar excitons in a TMDC double layer
- Trion and Biexciton in Monolayer Transition Metal Dichalcogenides
- Harnessing Exciton-Exciton Annihilation in Two-Dimensional Semiconductors
- Collective modes in anisotropic double layer systems
- Tightly bound excitons in two-dimensional semiconductors with a flat valence band