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Effect of oxygen plasma etching on graphene studied with Raman spectroscopy and electronic transport
Isaac Childres, Luis A. Jauregui, Jifa Tian +1
We report a study of graphene and graphene field effect devices after exposure to a series of short pulses of oxygen plasma. We present data from Raman spectroscopy, back-gated fie…
Control and Characterization of Individual Grains and Grain Boundaries in Graphene Grown by Chemical Vapor Deposition
Qingkai Yu, Luis A. Jauregui, Wei Wu +14
The strong interest in graphene has motivated the scalable production of high quality graphene and graphene devices. Since large-scale graphene films synthesized to date are typica…
Effect of electron-beam irradiation on graphene field effect devices
Isaac Childres, Luis A. Jauregui, Mike Foxe +4
Electron beam exposure is a commonly used tool for fabricating and imaging graphene-based devices. Here we present a study of the effects of electron-beam irradiation on the electr…
Ambipolar Graphene Field Effect Transistors by Local Metal Side Gates
Jifa Tian, Luis A. Jauregui, Gabriel Lopez +2
We demonstrate ambipolar graphene field effect transistors individually controlled by local metal side gates. The side gated field effect can have on/off ratio comparable with that…