Modified Electronic Properties of Graphene

Authored by: Fan Xiaofeng

Graphene Science Handbook

Print publication date:  April  2016
Online publication date:  April  2016

Print ISBN: 9781466591318
eBook ISBN: 9781466591325
Adobe ISBN:

10.1201/b19642-14

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Abstract

Graphene has attracted enormous attention due to its fascinating linear behavior of electronic bands around Dirac points and the special single-layer atomic structure. However, for many practical applications, such as traditional microelectronic devices, the electronic structure of graphene needs to be modified. The modified graphene is expected to have a proper bandgap, or to be a p-type/n-type electronic material. In this chapter, we will review the major progresses in the theoretical part of engineering, the electronic properties of graphene. First, we check the effect of layer stacking to electronic properties of graphene, especially two-layer graphene. Second, we introduce the effect of electric and magnetic fields. Finally, we will review the change of electronic properties induced by chemically modifying the atomic structure of graphene including the change of graphene width, hydrogenation and fluorination of graphene, molecular adsorption on graphene, atom/molecule intercalation in multilayer graphene, and effect of defects and alloying.

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