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一维和二维纳米材料热力学性质的第一性原理研究

摘要第5-8页
Abstract第8-10页
Table of Contents第11-14页
List of Figures第14-19页
List of Tables第19-20页
Chapter 1 Introduction第20-32页
    1.1 Background第20页
    1.2 The research status for 1D and 2D nanomaterials第20-26页
    1.3 The common simulation methods adopted to investigate thermodynamic properties第26-31页
        1.3.1 Molecular dynamics approach(MD)第27-28页
        1.3.2 The method based on phonon dispersion第28-31页
    1.4 Conclusion第31-32页
Chapter 2 Density functional theory and the derivations for thermodynamic1 formulas第32-56页
    2.1 Density functional theory第32-41页
        2.1.1 Introduction第32-34页
        2.1.2 Hohenberg-Kohn Theory第34页
        2.1.3 Kohn-Sham equation第34-36页
        2.1.4 Approximations to E_(xc)[n]第36-38页
        2.1.5 Pseudopotentials第38-41页
    2.2 The derivations of thermodynamic formulas第41-54页
        2.2.1 The formula of heat capacity第42-43页
        2.2.2 The formula for thermal expansion coefficient(TEC)第43-51页
        2.2.3 The formula for thermal conductivity第51-54页
    2.3 Conclusion第54-56页
Chapter 3 The heat capacities and thermal expansion behaviour of 1D systems第56-84页
    3.1 Background第56页
    3.2 Remarkable thermal contraction in small-sized single-walled boron nanotubes第56-69页
        3.2.1 Introduction第56-58页
        3.2.2 Theoretical and computational method第58-59页
        3.2.3 Thermal properties of the BNTs第59-69页
        3.2.4. Conclusion on BNT investigations第69页
    3.3 The anomalous thermal expansion of single-walled zinc oxide nanotubes第69-81页
        3.3.1 Introduction第69-71页
        3.3.2 Theory background and computational detail第71-73页
        3.3.3 The structural properties of single-walled zinc oxide nanotubes第73-74页
        3.3.4 The thermal expansions of zinc oxide nanotubes第74-81页
        3.3.5 Conclusion on ZnONT investigations第81页
    3.4 Conclusion第81-84页
Chapter 4 The thermodynamic properties of 2D systems第84-130页
    4.1 Introduction第84页
    4.2 The thermodynamic properties of graphene,silicene and germanene第84-97页
        4.2.1 Introduction第84-86页
        4.2.2 Theory background and computational detail第86-87页
        4.2.3 The thermodynamic properties of graphene,silicene and germanene第87-97页
        4.2.4 Conclusion on graphene,silicene and germanene's thermodynamic properties第97页
    4.3 Point defect weakened thermal contraction in monolayer graphene第97-108页
        4.3.1 Introduction第97-99页
        4.3.2 Computational method and theory background第99-100页
        4.3.3 The thermal expansion behaviour of point defect graphenes第100-107页
        4.3.4 Conclusion on point defect graphene's thermal expansion behaviour第107-108页
    4.4 Remarkable thermal contraction in monolayer zinc oxide(ZnO)sheets第108-116页
        4.4.1 Introduction第108-109页
        4.4.2 Computational detail and theory background第109-110页
        4.4.3 Thermodynamic properties of monolayer ZnO sheets第110-116页
        4.4.4 Conclusion on the monolayer ZnO sheet's thermodynamic properties第116页
    4.5 Tunable thermal expansions of zinc oxide sheets based on increasing layers第116-128页
        4.5.1 Introduction第116-117页
        4.5.2 Computational detail and theory background第117-118页
        4.5.3 Thermal expansion behaviour of ZnO sheets with increasing layers第118-128页
        4.5.4 Conclusion on tunable thermal expansion in increasing-layered ZnO sheets第128页
    4.6 Conclusion第128-130页
Chapter 5 Summary第130-132页
References第132-145页
Publications第145页
Conference第145-146页
中文摘要第146-162页

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