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Electronic Properties of Graphene Heterostructures with Hexagonal Crystals

  • Book
  • © 2014

Overview

Authors:
  1. John R. Wallbank

    1. Department of Physics, Lancaster University, Lancaster, United Kingdom

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  • Nominated as an outstanding Ph.D. thesis by the University of Lancaster, UK
  • Provides a general theoretical approach to understand the electronic properties of graphene heterostructures
  • Experimentally measurable quantities are calculated and discussed with the aid of numerous detailed figures
  • Each chapter represents a significant scientific advance and has an appropriate introduction and conclusion
  • Includes supplementary material: sn.pub/extras

Part of the book series: Springer Theses (Springer Theses)

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Table of contents (9 chapters)

  1. Front Matter

    Pages i-xiii
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  2. Introduction

    • John R. Wallbank
    Pages 1-18

  3. Monolayer Graphene on a hBN Underlay

    • John R. Wallbank
    Pages 19-32

  4. Optical Absorption in Graphene-hBN Heterostructures

    • John R. Wallbank
    Pages 33-39

  5. Fractal Spectrum of Magnetic Minibands in Graphene-hBN Heterostructures

    • John R. Wallbank
    Pages 41-50

  6. Experimental Realisation of the Graphene-hBN Heterostructure

    • John R. Wallbank
    Pages 51-53

  7. Bilayer Graphene on hBN

    • John R. Wallbank
    Pages 55-63

  8. Monolayer Graphene with Almost Commensurate \(\sqrt{3}\times \sqrt{3}\) Hexagonal Crystals

    • John R. Wallbank
    Pages 65-73

  9. Resonant Tunnelling in Graphene-Insulator-Graphene Heterostructures

    • John R. Wallbank
    Pages 75-85

  10. Conclusion

    • John R. Wallbank
    Pages 87-88

  11. Back Matter

    Pages 89-95
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Keywords

About this book

The last decade has witnessed the discovery of, and dramatic progress in understanding the physics of graphene and related two-dimensional materials. The development of methods for manufacturing and aligning high-quality two-dimensional crystals has facilitated the creation of a new generation of materials: the heterostructures of graphene with hexagonal crystals, in which the graphene electrons acquire new, qualitatively different properties. This thesis provides a comprehensive theoretical framework in which to understand these heterostructures, based on the tight binding model, perturbation theory, group theory and the concept of the moire superlattice (all of which are elucidated). It explains how graphene heterostructures provide new opportunities for tailoring band structure, such as creating additional Dirac points or opening band gaps and how they manifest themselves in transport measurements, optical absorption spectra and the fractal Hofstadter spectra. Also considered are the heterostructures of bilayer graphene and resonant tunneling in aligned graphene/insulator/graphene devices.

Authors and Affiliations

  • Department of Physics, Lancaster University, Lancaster, United Kingdom

    John R. Wallbank

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