| 摘要 | 第4-7页 |
| Abstract | 第7-10页 |
| Chapter 1.Introduction | 第13-28页 |
| 1.1 The source of topic, research purpose and significance | 第13-14页 |
| 1.1.1 The source of topic | 第13页 |
| 1.1.2 Research purpose and significance | 第13-14页 |
| 1.2 Literature Review | 第14-26页 |
| 1.2.1 Crystal structure of Al_2O_3 | 第14-17页 |
| 1.2.2 Porosity and specific surface area | 第17-18页 |
| 1.2.3 Optical properties of Al_2O_3 | 第18-20页 |
| 1.2.4 Defects in Al_2O_3 | 第20-22页 |
| 1.2.5 Overview of methods for producing Al_2O_3 hollow particles | 第22-26页 |
| 1.3 Comments on Literature | 第26-28页 |
| Chapter 2.Experimental Materials and Methods | 第28-35页 |
| 2.1 Object of study | 第28页 |
| 2.2 X-ray diffraction analysis | 第28-29页 |
| 2.3 Morphology observation | 第29页 |
| 2.4 BET method | 第29-30页 |
| 2.5 Technique for recording diffuse reflection spectra | 第30-31页 |
| 2.6 Space environment simulator for charged particle irradiation tests | 第31-32页 |
| 2.7 The method of computing the integral absorption coefficient | 第32页 |
| 2.8 XPS analysis | 第32-34页 |
| 2.9 Used software packages | 第34-35页 |
| Chapter 3.Synthesis and Evaluation of Optical properties and Radiation re-sistance of Al_2O_3 Hollow particles | 第35-57页 |
| 3.1 Mechanisms of defect formation in Al_2O_3 hollow-, micro- and nanoparticles | 第35-42页 |
| 3.1.1 Simulation of proton beam bombardment | 第35-40页 |
| 3.1.2 Modeling of electron beam bombardment | 第40-42页 |
| 3.2 Procedure for obtaining of Al_2O_3 hollow particles | 第42-43页 |
| 3.3 Characterization of Al_2O_3 particles | 第43-46页 |
| 3.4 Diffuse reflectance spectra of Al_2O_3 powders | 第46-49页 |
| 3.5 Influence of proton irradiation on diffuse reflection spectra Al_2O_3 | 第49-53页 |
| 3.6 Influence of electron irradiation on diffuse reflection spectra Al_2O_3 | 第53-56页 |
| 3.7 Summary | 第56-57页 |
| Chapter 4.Degradation Mechanisms of Proton and Electron Irradiated Al_2O_3 Hol-low, Micro-, Nanoparticles | 第57-65页 |
| 4.1 Mechanism of degradation Al_2O_3 microparticles | 第57-59页 |
| 4.2 Mechanism of degradation Al_2O_3 nanoparticles | 第59-61页 |
| 4.3 Mechanism of degradation Al_2O_3 hollow particles 5 μm | 第61-62页 |
| 4.4 Mechanism of degradation Al_2O_3 hollow particles 50 μm | 第62-64页 |
| 4.5 Summary | 第64-65页 |
| Conclusions | 第65-66页 |
| References | 第66-74页 |
| Acknowledgements | 第74页 |
