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无序态材料在极端条件下的表现行为

Abstract (English)第5-6页
Abstract (Chinese)第7-9页
Dedication第9-10页
Acknowledgements第10-19页
Abbreviations第19-20页
Chapter One 1 Introduction第20-35页
    1.1 Introduction to disordered chalcogenides第31-33页
    1.2 Introduction to high entropy alloys (HEAs)第33页
    1.3 Introduction to metallic glasses第33-34页
    1.4 Thesis outlines第34-35页
Chapter Two 2 Experimental methods and setups第35-46页
    2.1 Sample preparation第35-37页
        2.1.1 Preparation of chalcogenide glasses第35-36页
        2.1.2 Preparation of high entropy alloys第36页
        2.1.3 Preparation of metallic glasses第36-37页
    2.2 Diamond anvil cell (DAC)第37-42页
        2.2.1 Principle第38页
        2.2.2 Parts of DAC第38-40页
        2.2.3 Pressure measurement第40-42页
    2.3 Heating Experiment第42页
    2.4 Synchrotron radiation X-ray diffraction第42-44页
    2.5 Raman spectroscopy第44-45页
    2.6 Low temperature experiments第45-46页
Chapter Three 3 Calculation methods第46-54页
    3.1 First-principles method第46-48页
    3.2 Density functional theory第48-51页
        3.2.1 Kohn-Sham equation第49页
        3.2.2 Exchange-correlation energy第49-51页
    3.3 Computational framework第51页
    3.4 Structural analysis methods第51-54页
        3.4.1 Pair correlation functions(g(r)) and structure factor(S(q))第52-53页
        3.4.2 Coordination numbers(CNs)第53-54页
Chapter Four 4 Behavior of amorphous As_2Se_3 chalcogenide under pressure第54-78页
    4.1 Introduction第55-56页
    4.2 Materials and methods第56-59页
        4.2.1 Sample preparation第56-57页
        4.2.2 In-situ measurements at high pressure第57-58页
        4.2.3 Molecular dynamics simulations第58-59页
    4.3 Results and discussion第59-76页
    4.4 Summary第76-78页
Chapter Five 5 Behavior of amorphous AsSe chalcogenide under pressure第78-94页
    5.1 Introduction第79-81页
    5.2 Materials and Methods第81-83页
        5.2.1 Sample preparation第81-82页
        5.2.2 In-situ measurements at high pressure第82-83页
        5.2.3 Ab-initio molecular dynamics simulations第83页
    5.3 Results and discussion第83-92页
    5.4 Summary第92-94页
Chapter Six 6 High pressure and high temperature behavior of high entropy alloys第94-109页
    6.1 Introduction第95-98页
    6.2 Materials and methods第98-100页
        6.2.1 Sample preparation第98页
        6.2.2 In-situ high-pressure measurements第98-99页
        6.2.3 In-situ high-temperature measurements第99-100页
    6.3 Results and discussion第100-108页
    6.4 Summary第108-109页
Chapter Seven 7 Low temperature dynamics and origin of boson peak in metallic glasses第109-122页
    7.1 Introduction第110-112页
    7.2 Materials and methods第112-113页
    7.3 Results and discussion第113-121页
    7.4 Summary第121-122页
Chapter Eight 8 Conclusions第122-126页
Bibliography第126-147页
List of Publications第147页

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