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Switching Mechanism in Single-Layer Molybdenum Disulfide Transistors: an Insight into Current Flow across Schottky Barriers
Han Liu, Mengwei Si, Yexin Deng +6
In this article, we study the properties of metal contacts to single-layer molybdenum disulfide (MoS2) crystals, revealing the nature of switching mechanism in MoS2 transistors. On…
Giant Quasiparticle Bandgap Modulation in Graphene Nanoribbons Supported on Weakly Interacting Surfaces
Xueping Jiang, Neerav Kharche, Paul Kohl +5
In general, there are two major factors affecting bandgaps in nanostructures: (i) the enhanced electron-electron interactions due to confinement and (ii) the modified self-energy o…
Temperature-dependent Phonon Shifts in Monolayer MoS2
Nicholas Lanzillo, A. Glen Birdwell, Matin Amani +9
We present a combined experimental and computational study of two-dimensional molybdenum disulfde (MoS2) and the effect of temperature on the frequency shifts of the Raman-active E…
Blue shifting of the A exciton peak in folded monolayer 1H-MoS2
Frank J. Crowne, Matin Amani, A. Glen Birdwell +7
The large family of layered transition-metal dichalcogenides is widely believed to constitute a second family of two-dimensional (2D) semiconducting materials that can be used to c…
Statistical Study of Deep Sub-Micron Dual-Gated Field-Effect Transistors on Monolayer CVD Molybdenum Disulfide Films
Han Liu, Mengwei Si, Sina Najmaei +5
Monolayer Molybdenum Disulfide (MoS2) with a direct band gap of 1.8 eV is a promising two-dimensional material with a potential to surpass graphene in next generation nanoelectroni…
Second harmonic microscopy of monolayer MoS2
Nardeep Kumar, Sina Najmaei, Qiannan Cui +4
We show that the lack of inversion symmetry in monolayer MoS2 allows strong optical second harmonic generation. Second harmonic of an 810-nm pulse is generated in a mechanically ex…