Master's defence | Rastko Anicic, Effects of the Dielectric Environment on the Electrical Properties of GrapheneExport this event to calendar

Friday, August 9, 2013 10:00 AM EDT

MC 5136

Candidate

Rastko Anicic, Applied Mathematics, University of Waterloo

Title

Effects of the Dielectric Environment on the Electrical Properties of Graphene

Abstract

This thesis provides the study of graphene's electrostatic interaction with the substrate surrounding it. Mathematical models based on current experimental configurations of graphene field-effect transistors (FET) are developed and analyzed. The conductivity and mobility of charge carriers in graphene are examined in the presence of impurities trapped in the substrate near graphene. The impurities encompass a wide range of possible structures and parameters, including different types of impurities, their distance from graphene, and the spatial correlation between them. Furthermore, we extend our models to analyze the influence of impurities on the fluctuations of the electrostatic potential and the charge carrier density in the plane of graphene. The results of our mathematical models are compared with current experimental results in the literature.

Location 
University of Waterloo
MC 5136

,
Canada

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