声明
摘要
Abstract
Table of Contents
List of Figures and Tables
Chapter 1 Introduction
1.1 Hybridization
1.2 Hybridization in graphite and diamond
1.3 Ideal sp2 hybridization in graphene
1.4 The modification of ideal sp2 hybridization
1.4.1 Chemical adsorption
1.4.2 Vacancies and disorders
1.4.3 Mechanical effect
1.5 Substrates effect
References
Chapter 2 Density Functional Methods
2.1 Many-body approximation in DFT
2.1.1 LDA functional
2.1.2 GGA functional
2.1.3 More accurate ones
2.2 Basis set
2.2.1 Localized basis set
2.2.2 Delocalized basis set
2.2.3 Pseudopotential approximation
2.3 Other approximations
2.3.1 Periodic super cell approximation
2.3.2 Finess in reciprocal and real space
References
Chapter 3 Magnetism in graphene induced by grain boundaries
3.1 Introduction
3.2 Magnetism instability induced by Coulomb on-site interaction at 5-5-8 ELD
3.2.1 Inter-ELDs distance induced magnetism instability
3.3 Interactions between 5-5-8 ELD and H adsorptions
3.3.1 Models
3.3.2 Computational details
3.3.3 Strain enhanced AFM stability
3.3.4 Magnetism enhancement induced by 5-5-8 ELD
References
Chapter 4 Symmetry-dependent band gap opening in graphene induced by g-C3N4 substrates
4.1 Introduction
4.2 Calculation details
4.3 Results and discussions
4.3.1 Electronic structures of four types of g-C3N4
4.3.2 Different effects on the gap at Dirac point
References
Chapter 5 Strong interlayer π-π interaction
5.1 Introduction
5.2 Calculation details
5.3 Results and discussion
5.3.1 Barrier energy analysis of in-plane slip
5.3.2 Band structure analysis of graphite with/without in-plane slip
5.3.3 Absorption behavior with in-plane slip
5.3.5 Discussion
5.4 Conclusion
References
Chapter 6 Summary
Pubfications
Conferences
论文内容概要