首页--数理科学和化学论文--晶体学论文

高压晶体结构预测:Sc-N,Au-Hg和Sn-N体系的稳定性、电学和力学性能研究

摘要第6-7页
ABSTRACT第7页
Chapter1: Introduction第10-26页
    1.1 High pressure第10-11页
    1.2 Crystal structure prediction第11-24页
        1.2.1 Potential energy landscape第11-12页
        1.2.2 Global optimization overview第12-24页
    1.3 Challenges for crystal structure prediction第24-25页
        1.3.1 Structure prediction for large systems第24页
        1.3.2 Structure prediction at finite temperature第24-25页
    1.4 Outlook thesis layout第25-26页
Chapter2: Crystal Structure Prediction Methodology第26-42页
    2.1 Evolutionary approach drives crystal structure prediction第26-33页
        2.1.1 How evolutionary algorithm works第26-27页
        2.1.2 Selection criteria第27页
        2.1.3 Variation operator第27页
        2.1.4 Local optimization and constrains第27-28页
        2.1.5 First generation initialization第28-29页
        2.1.6 Variation operators第29-31页
        2.1.7 New generation第31页
        2.1.8 Halting criteria;第31页
        2.1.9 Premature convergence第31-32页
        2.1.10 Variable compositions methodology第32-33页
    2.2 Density functional theory(DFT)第33-42页
        2.2.1 Important aspects ofDFT第34-35页
        2.2.2 Exchange-correlation potentials第35-36页
        2.2.3 Solving the Kohn-Sham equations第36-37页
        2.2.4 Basis function for DFT第37-39页
        2.2.5 Elastic properties第39-42页
Chapter3: Prediction of Sc-N System under High-Pressure第42-54页
    3.1 Introduction第42页
    3.2 Computational details第42-43页
    3.3 Results and discussion第43-52页
        3.3.1 Convex hull formation第43-44页
        3.3.2 Pressure phase transition and stability第44-45页
        3.3.3 Predicted crystal structures第45-47页
        3.3.4 Thermodynamic stability and charge analysis第47-48页
        3.3.5 Bonding characteristics第48-49页
        3.3.6 Electronic and mechanical properties第49-52页
    3.4 Conclusion第52-54页
Chapter4: New Stoichiometric Compounds of Au-Hg System under High-Pressure第54-64页
    4.1 Introduction第54-55页
    4.2 Computational methods第55页
    4.3 Results and discussion第55-63页
        4.3.1 Convex hull formation and phase transition第56-57页
        4.3.2 Predicted structures第57-60页
        4.3.3 Structural stability and charge analysis第60页
        4.3.4 Electron localization function analysis第60-61页
        4.3.5 Electronic properties第61-63页
    4.4 Conclusion第63-64页
Chapter5: Electronic and Mechanical Properties of Predicted Tin Nitride StoichiometricCompounds under High-Pressure第64-74页
    5.1 Introduction第64页
    5.2 Computational details第64-65页
    5.3 Results and discussion第65-72页
        5.3.1 Convex hull and pressure composition phase diagram第65-67页
        5.3.2 Predicted structures第67-68页
        5.3.3 Phonon band structures and charge analysis第68页
        5.3.4 Electronic properties第68-71页
        5.3.5 Mechanical properties第71-72页
    5.4 Conclusion第72-74页
Chapter6: Summary of Dissertation第74-76页
References第76-86页
Acknowledgement第86-88页
Publications第88页

论文共88页,点击 下载论文
上一篇:二维拓扑体系及过渡金属薄膜的能带及输运特性研究
下一篇:巴基斯坦当地政府公共团队创新与变革型领导力的关系研究--基于团队学习、知识共享和吸收能力