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Electroluminescence in Single Layer MoS2
R. S. Sundaram, M. Engel, A. Lombardo +4
We detect electroluminescence in single layer molybdenum disulphide (MoS2) field-effect transistors built on transparent glass substrates. By comparing absorption, photoluminescenc…
Effects of optical and surface polar phonons on the optical conductivity of doped graphene
Benedikt Scharf, Vasili Perebeinos, Jaroslav Fabian +1
Using the Kubo linear response formalism, we study the effects of intrinsic graphene optical and surface polar phonons (SPPs) on the optical conductivity of doped graphene. We find…
Mid-infrared plasmons in scaled graphene nanostructures
Hugen Yan, Tony Low, Wenjuan Zhu +6
Plasmonics takes advantage of the collective response of electrons to electromagnetic waves, enabling dramatic scaling of optical devices beyond the diffraction limit. Here, we dem…
High-frequency performance of scaled carbon nanotube array field-effect transistors
Mathias Steiner, Michael Engel, Yu-Ming Lin +10
We report the radio-frequency performance of carbon nanotube array transistors that have been realized through the aligned assembly of highly separated, semiconducting carbon nanot…
Structure and electronic transport in graphene wrinkles
Wenjuan Zhu, Tony Low, Vasili Perebeinos +5
Wrinkling is a ubiquitous phenomenon in two-dimensional membranes. In particular, in the large-scale growth of graphene on metallic substrates, high densities of wrinkles are commo…
Plasmonics of coupled graphene micro-structures
Hugen Yan, Fengnian Xia, Zhiqiang Li +1
The optical response of graphene micro-structures, such as micro-ribbons and disks, is dominated by the localized plasmon resonance in the far infrared (IR) spectral range. An ense…