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Exciton binding energy and nonhydrogenic Rydberg series in monolayer WS(2).
Strong but unconventional electron-hole interactions are expected to be ubiquitous in atomically thin materials using a microscopic theory in which the nonlocal nature of the effective dielectric screening modifies the functional form of the Coulomb interaction.
Grains and grain boundaries in highly crystalline monolayer molybdenum disulphide.
Recent progress in large-area synthesis of monolayer molybdenum disulphide, a new two-dimensional direct-bandgap semiconductor, is paving the way for applications in atomically thin electronics.…
Soft colloids make strong glasses
It is shown that deformable colloidal particles, when studied through their concentration dependence at fixed temperature, do exhibit the same variation in fragility as that observed in the T dependence of molecular liquids at fixed volume.
Visualizing Individual Nitrogen Dopants in Monolayer Graphene
Findings show that chemical doping is a promising route to achieving high-quality graphene films with a large carrier concentration.
Excitons in atomically thin transition-metal dichalcogenides
- A. Chernikov, Timothy C. Berkelbach, T. Heinz
- PhysicsConference on Lasers and Electro-Optics (CLEO…
- 18 July 2017
Excitons are studied experimentally and theoretically in atomically thin WS2 layers. We find a binding energy of 0.32eV as well as non-hydrogenic behavior of the exciton states due to the…
Dynamic basis for one-dimensional DNA scanning by the mismatch repair complex Msh2-Msh6.
In this set of lecture notes we review the mode-coupling theory of the glass transition from several perspectives. First, we derive mode-coupling equations for the description of density fluctuations…
Drying-mediated self-assembly of nanoparticles
A coarse-grained model of nanoparticle self-assembly that explicitly includes the dynamics of the evaporating solvent is presented, and the resulting guide for designing statistically patterned arrays of nanoparticles suggests the possibility of fabricating spontaneously organized nanoscale devices.
Theory of neutral and charged excitons in monolayer transition metal dichalcogenides
We present a microscopic theory of neutral excitons and charged excitons (trions) in monolayers of transition metal dichalcogenides, including molybdenum disulfide. Our theory is based on an…
Strain-rate frequency superposition: a rheological probe of structural relaxation in soft materials.
- H. Wyss, K. Miyazaki, J. Mattsson, Zhibing Hu, D. Reichman, D. Weitz
- Materials SciencePhysical review letters
- 7 August 2006
It is shown that SRFS can isolate the response due to structural relaxation, even when it occurs at frequencies too low to be accessible with standard techniques.