1 Introduction 1.1 Ferroelectric Materials 1.1.1 Basic Concept of Ferroelectric Materials 1.1.2 Physical Properties of Ferroelectric Materials 1.2 PMN-PT Relaxor Ferroelectric Single Crystals 1.2.1 PMN-PT Complex Perovskite Structure 1.2.2 Research Progress of PMN-PT Single Crystals 1.2.3 The Applications of PMN-PT Single Crystals 1.3 The Main Research Contents of This Thesis References 2 An Optothermal Field Effect Transistor Based on PMN-26PT Single Crystal 2.1 Introduction of This Chapter 2.1.1 Field Effect Transistors and the 『Photonics Revolution 2.1.2 Interface Engineering of Two-Dimensional Channel Semiconductor 2.2 The Design and Fabrication of Optothermal FET 2.2.1 Structural Design of the Prototype FET 2.2.2 Processing of PMN-26PT Single Crystal 2.2.3 Growth and Transfer of Monolayer MoS2 2.3 The Device Performance and Working Mechanism of Optothermal FET 2.3.1 Infrared Response 2.3.2 Mechanism Analysis of Optothermal Regulation 2.4 Summary of This Chapter References 3 An Ultrabroadband Photodetector Based on PMN-28PT Single Crystal 3.1 Introduction of This Chapter 3.1.1 Broadband Photodetector 3.1.2 Response Characteristics of Pyroelectric Detectors 3.2 Structural Design and Preparation of Ultrabroadband Detector 3.2.1 Structural Design of Photodetectors 3.2.2 Processing and Characterization of PMN-PT Single Crystal 3.2.3 Domain Engineering of PMN-PT Single Crystal 3.2.4 Preparation of Silver Nanowires Transparent Electrode 3.3 The Performance and Mechanism Analysis of the Photodetector 3.3.1 Optimization of Pyroelectric Frequency Response 3.3.2 Broadband Response in the Ultraviolet-Terahertz Range 3.3.3 The Influence of Surface Plasmons on Pyroelectricity 3.3.4 Discussion on the Mechanism of Ferroelectric Photovoltaic in the Ultraviolet Band 3.4 Summary of This Chapter References 4 A Mechanical Energy Writeable Ferroelectric Memory Based on PMN-35PT Single Crystal 4.1 Introduction of This Chapter 4.1.1 Ferroelectric Non-volatile Memory and Its Energy Consumption 4.1.2 Self-powered System and Nanogenerator 4.2 Arch-Shaped TENG 4.2.1 Design and Preparation of TENG 4.2.2 Energy Conversion Mechanism of TENG 4.2.3 Electrical Output Performance of TENG 4.3 Self-powered Ferroelectric Memory System 4.3.1 Properties of PMN-PT Single Crystal 4.3.2 Exploration of New Poling Methods
4.3.3 Ferroelectric FET Memory 4.3.4 Self-powered Ferroelectric Memory System 4.3.5 Storage Density and Microscopic Ferroelectric Domain 4.4 Summary of This Chapter References 5 Conclusion and Outlook 5.1 Research Conclusions 5.2 Prospects
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