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脉冲激光沉积制备ZnO基量子阱及其光学性质研究

Abstract第4-5页
摘要第6-16页
List of Abbreviations第16-17页
List of Constants第17-18页
1 Introduction第18-37页
    1.1 Basic Parameters of ZnO第18-20页
        1.1.1 Crystal,structure第18-19页
        1.1.2 Lattice parameters第19-20页
    1.2 Optical properties ofZnO第20-25页
        1.2.1 Free excitons第20-21页
        1.2.2 Bound excitons第21-22页
        1.2.3 Two-electron satellites(TES)in PL第22页
        1.2.4 DAP and LO-phonon replicas in PL第22-23页
        1.2.5 Temperature-dependent PL measurements第23-24页
        1.2.6 Time-resolved PL on ZnO第24-25页
    1.3 ZnO Film Growth第25-28页
    1.4 ZnO Alloys第28-30页
        1.4.1 Band-gap Adjustment第28-30页
        1.4.2 Transition Metal Doping第30页
    1.5 ZnO-based quantum wells and heterostructures第30-34页
    1.6 Stimulated emission in ZnO第34-35页
    1.7 Motivation第35-37页
2 Experimental details第37-47页
    2.1 Fabrication of ZnO-based films第37-40页
        2.1.1 Principles of thin film growth and PLD system第37-39页
        2.1.2 Post-growth surface treatment第39-40页
    2.2 Crystallography and Topography characterization第40-43页
        2.2.1 X-ray diffraction(XRD)第40-41页
        2.2.2 Atomic force microscopy(AFM)第41-42页
        2.2.3 Scanning electron microscopy(SEM)第42-43页
    2.3 Measurement of Optical Properties第43-47页
        2.3.1 Spectrophotomery第43-44页
        2.3.2 PL spectrum第44-45页
        2.3.3 Time-Resolved Photoluminescence(TRPL)第45-46页
        2.3.4 Apparatus第46-47页
3 Optical investigations in ZnO/ZnMgO MQWs第47-66页
    3.1 Introduction第47-48页
    3.2 ZnO and ZnMgO Single-layer films第48-53页
        3.2.1 Preparation and characterization第48-50页
        3.2.2 Determination of deposition rates第50-52页
        3.2.3 PL spectra of the ZnO and ZnMgO films第52-53页
    3.3 ZnO/ZnMgO MQWs第53-64页
        3.3.1 Preparation and characterization第53-56页
        3.3.2 Room-temperature PL spectra and RRS第56-57页
        3.3.3 Temperature dependent PL spectra第57-59页
        3.3.4 QC effect in ZnO/ZnMgO MQWs第59-62页
        3.3.5 Thermal stability of ZnO/ZnMgO MQWs第62-64页
    3.4 Summary第64-66页
4 Optical properties of ZnCoO/ZnMgO MQWs第66-76页
    4.1 Introduction第66页
    4.2 Preparation and Characterization第66-68页
    4.3 PL and RRS in ZnCoO/ZnMgO MQWs第68-71页
    4.4 Enhanced luminescence of Co~2+ ions in ZnCoO/ZnMgO MQWs第71-74页
    4.5 Excitonic PL quenching and FRET mechanism第74-75页
    4.6 Summary第75-76页
5 NBE emission of ZnO films第76-91页
    5.1 Introduction第76-77页
    5.2 Preparation and characterization of ZnO films第77-79页
    5.3 PL spectra of ZnO film in the NBE region第79-83页
    5.4 Band-tail model and lifetime of NBE emission第83-85页
    5.5 ZnO films grown by N plasma assisted PLD第85-90页
        5.5.1 N plasma assisted PLD system第85-87页
        5.5.2 Characterization of ZnO films prepared by NPA-PLD第87-89页
        5.5.3 Enhanced PL of passivated ZnO film第89-90页
    5.6 Summary第90-91页
Conclusions and Outlook第91-93页
Abstract of innovation points第93-94页
创新点摘要第94-95页
References第95-110页
Published Academic Papers during PhD Period第110-111页
Acknowledgement第111-112页
About the Author第112页

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