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First-Principles Study of Electronic and Magnetic Properties of AAFeReO6 and La2NaRuO6 Double Perovskite Structures.

Abstract第3-5页
Keywords第5-7页
List of tables第7-8页
List of Figures第8-10页
Chapter 1 Introduction第10-34页
    1.1 Historical overview第10-11页
        1.1.1 Definitions第10-11页
        1.1.2 Crystal properties第11页
    1.2 The double perovskites (DP) compounds第11-16页
        1.2.1 Crystallographic of the DP Structure第13-14页
        1.2.2 Interplay between electronic structure and magnetism in Re and Mo-based DP第14-16页
    1.3 The relevance of the spin-orbit-coupling in the DPs第16-28页
        1.3.1 The FeRe-based DP第21-25页
        1.3.2 The Ru5+-based DP第25-28页
    1.4 The Thesis Objectives第28-30页
    References:第30-34页
Chapter 2 Density functional theory (DFT) and the Approximations formalism第34-53页
    2.1 Density Functional Formalism第34-40页
        2.1.1 Schrodinger equation第34-36页
        2.1.2 Total energy in the density matrices第36-37页
        2.1.3 Hohenberge-Kohn Theorems第37-38页
        2.1.4 Energy Functional第38-40页
    2.2 Spin-density functional theory第40-45页
        2.2.1 Local Spin Density Approximation (LSDA)第41-43页
        2.2.2 Generalized Gradient Approximation (GGA)第43-45页
    2.3 Practical implementation of DFT/CASTEP code calculations第45-50页
        2.3.1 Pseudopotentials第46-49页
            2.3.1.1 Norm conserving Pseudopotentials (NCPP)第47-48页
            2.3.1.2 Ulterasoft pseudopotentials (USPP)第48-49页
        2.3.2 Minimization第49-50页
    References:第50-53页
Chapter 3 Electronic and Magnetic properties of The (AA)FeReO6 DP第53-68页
    3.1 Computational details第54-56页
    3.2 Results and Discussions第56-65页
        3.2.1 The Electronic Properties第59-63页
        3.2.2 Magnetic properties第63-65页
    3.3 Summery第65页
    References:第65-68页
Chapter 4 Electronics and optical properties of the La2NaRuO6 DP第68-81页
    4.1 Method of Calculation第68-69页
    4.2 Results and discussions第69-79页
        4.2.1 Electronic properties第71-74页
        4.2.2 Magnetic properties第74页
        4.2.3 The Optical properties第74-79页
    4.3 Summery第79页
    References第79-81页
Chapter 5 Conclusion第81-83页
ACKNOWLEDGMENTS第83-84页
Publications第84页

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