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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…
Phonon mediated interlayer conductance in twisted graphene bilayers
V. Perebeinos, J. Tersoff, Ph. Avouris
Conduction between graphene layers is suppressed by momentum conservation whenever the layer stacking has a rotation. Here we show that phonon scattering plays a crucial role in fa…
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…
Quantum behavior of graphene transistors near the scaling limit
Yanqing Wu, Vasili Perebeinos, Yu-ming Lin +3
The superior intrinsic properties of graphene have been a key research focus for the past few years. However, external components, such as metallic contacts, serve not only as esse…
Cooling of photoexcited carriers in graphene by internal and substrate phonons
Tony Low, Vasili Perebeinos, Raseong Kim +2
We investigate the energy relaxation of hot carriers produced by photoexcitation of graphene through coupling to both intrinsic and remote (substrate) surface polar phonons using t…
Deformation and scattering in graphene over substrate steps
Tony Low, Vasili Perebeinos, Jerry Tersoff +1
The electrical properties of graphene depend sensitively on the substrate. For example, recent measurements of epitaxial graphene on SiC show resistance arising from steps on the s…