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Structure and electronic transport in graphene wrinkles.
Calculations of the energetics explain the morphological transition and indicate that the tall ripples are collapsed into narrow standing wrinkles by van der Waals forces, analogous to large-diameter nanotubes, consistent with transport simulations.
Electronic transport and device prospects of monolayer molybdenum disulphide grown by chemical vapour deposition.
- Wenjuan Zhu, T. Low, +5 authors P. Avouris
- Materials Science, PhysicsNature communications
- 17 January 2014
The electronic transport and device properties of monolayer molybdenum disulphide grown by chemical vapour deposition are reported and it is revealed that these devices have the potential to suppress short channel effects and have high critical breakdown electric field.
Graphene plasmonics for terahertz to mid-infrared applications.
The basic properties of graphene plasmons are reviewed: their energy dispersion, localization and propagation, plasmon-phonon hybridization, lifetimes and damping pathways, and emerging and potential applications.
Multi-terminal transport measurements of MoS2 using a van der Waals heterostructure device platform.
- X. Cui, Gwan‐Hyoung Lee, +15 authors J. Hone
- Materials Science, MedicineNature nanotechnology
- 1 June 2015
Modelling of potential scattering sources and quantum lifetime analysis indicate that a combination of short-range and long-range interfacial scattering limits the low-temperature mobility of MoS2.
Photoconductivity of biased graphene
Scientists report that the photovoltaic effect and a photo-induced bolometric effect, rather than thermoelectric effects, dominate the photoresponse during a classic photoconductivity experiment in…
Damping pathways of mid-infrared plasmons in graphene nanostructures
Researchers clarify damping pathways for mid-infrared graphene plasmons, including graphene intrinsic optical phonons and edge scattering. They also demonstrate the guiding of mid-infrared graphene…
Conductance Asymmetry of Graphene p-n Junction
- T. Low, Seokmin Hong, J. Appenzeller, S. Datta, M. Lundstrom
- Chemistry, PhysicsIEEE Transactions on Electron Devices
- 8 November 2008
We use the nonequilibrium Green function method in the ballistic limit to provide a quantitative description of the conductance of graphene p-n junctions - an important building block for graphene…
Tunable Light-Matter Interaction and the Role of Hyperbolicity in Graphene-hBN System.
- Anshuman Kumar, T. Low, K. Fung, P. Avouris, N. Fang
- Materials Science, PhysicsNano letters
- 16 February 2015
It is found that the graphene plasmon couples differently with the phonons of the two Reststrahlen bands, owing to their different hyperbolicity, which leads to distinctively different interaction between an external quantum emitter and the plAsmon-phonon modes in the two bands.
Mobility anisotropy in monolayer black phosphorus due to scattering by charged impurities
We study the charged impurity limited mobility in black phosphorus, a highly anisotropic layered material. We compute the mobility within the Boltzmann transport equation under detailed balance…
Room-temperature high spin–orbit torque due to quantum confinement in sputtered BixSe(1–x) films
- Mahendra Dc, R. Grassi, +12 authors Jianping Wang
- Medicine, Materials ScienceNature Materials
- 30 July 2018
Sputtered BixSe(1–x) thin films can generate very large current-induced spin–orbit torque, capable to switch both in-plane and out-of-plane magnetized CoFeB-based structures deposited on top, at room temperature.