Jiao Yang. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2005. / Includes bibliographical references (leaves 85-87). / Abstracts in English and Chinese. / Abstract --- p.i / 摘要 --- p.ii / Acknowledgement --- p.iii / Table of Content --- p.iv / List of Figures --- p.ix / List of Tables --- p.xiv / Chapter Chapter 1 --- Introduction --- p.1 / Chapter Chapter 2 --- Background of the Pseudo One-dimensional Si Crystal Growth --- p.5 / Chapter 2.1 --- Vapor-liquid-solid (VLS) Mechanism --- p.5 / Chapter 2.2 --- Oxide-assisted-growth (OAG) Mechanism --- p.8 / Chapter 2.3 --- Solid-liquid-solid Mechanism --- p.10 / Chapter Chapter 3 --- Instrumentation --- p.12 / Chapter 3.1 --- Deposition Apparatus --- p.12 / Chapter 3.2 --- Scanning Electron Microscope (SEM) --- p.14 / Chapter 3.2.1 --- Principle of SEM --- p.14 / Chapter 3.2.2 --- Electron-specimen Interactions in SEM --- p.14 / Chapter 3.2.3 --- Imaging by Secondary Electron --- p.15 / Chapter 3.2.4 --- Elemental Analysis by Energy Dispersive X-ray --- p.16 / Chapter 3.3 --- Transmission Electron Microscope (TEM) --- p.18 / Chapter 3.3.1 --- Principle of the TEM --- p.18 / Chapter 3.3.2 --- Electron Specimen Interaction in TEM --- p.18 / Chapter 3.3.3 --- Electron Diffraction --- p.19 / Chapter 3.3.4 --- Contrast --- p.20 / Chapter 3.3.5 --- X-ray Microanalysis --- p.22 / Chapter 3.3.6 --- Energy-loss Spectrum and Element Distribution Image (elemental mapping) --- p.22 / Chapter 3.4 --- Scanning TEM (STEM) --- p.23 / Chapter Chapter 4 --- Synthesis of SiNWs Using Si Wafer and H2 --- p.31 / Chapter 4.1 --- Experiment --- p.31 / Chapter 4.2 --- Morphologies and Microstructures of the As-synthesized Nanowires --- p.32 / Chapter 4.2.1 --- Morphologies and Microstructures of the Nanowires Synthesized Using SiO Powder as the Starting Material (control experiment) --- p.32 / Chapter 4.2.2 --- Morphologies and Microstructures of the Nanowires Synthesized Using Smashed Si Wafers as the Source Material --- p.34 / Chapter 4.3 --- Discussions --- p.36 / Chapter 4.3.1 --- Growth Mechanism of the Modified SiNW Synthesis Method (use smashed Si wafer) --- p.36 / Chapter 4.3.1.1 --- Comparison with the OAG --- p.36 / Chapter 4.3.1.2 --- Yield Dependence on the Surface Area of the Si Wafer --- p.37 / Chapter 4.3.1.3 --- The Importance of H2 --- p.37 / Chapter 4.3.2 --- Advantages of the Modified Method --- p.38 / Chapter 4.3.2.1 --- Stable and Low Supersaturation Level (in comparison with the conventional OAG method using SiO powder) --- p.38 / Chapter 4.3.2.2 --- A Possible Method to Achieve SiNW Doping --- p.39 / Chapter Chapter 5 --- One-dimensional Au-Si Heterojunctions ´ؤ Microstructure and Phase Evolution under Electron Beam Irradiation --- p.48 / Chapter 5.1 --- Experiment --- p.48 / Chapter 5.2 --- Microstructure Analysis of the As-synthesized One-dimensional Au-Si Heterojunctions --- p.49 / Chapter 5.3 --- The Au Flow and Phase Evolution of the Au-Si Heteroj unctions under the Electron Beam Irradiation --- p.51 / Chapter 5.3.1 --- The Phenomenon --- p.51 / Chapter 5.3.2 --- The Mechanisms --- p.52 / Chapter 5.4 --- Conclusions --- p.55 / Chapter Chapter 6 --- A General Route to Fabricate One-dimensional Metal-Si Heteroj unctions --- p.65 / Chapter 6.1 --- Experiment --- p.65 / Chapter 6.2 --- Common Morphology Descriptions (SEM) --- p.66 / Chapter 6.3 --- 1D Au-Si Heterojunctions --- p.66 / Chapter 6.3.1 --- General Morphologies --- p.66 / Chapter 6.3.2 --- Effect of the Au Film Thickness on the Yield and Diameter of the Nanowire Products --- p.68 / Chapter 6.4 --- 1D Cu-Si Heterojunctions --- p.68 / Chapter 6.5 --- 1D Au-SiO2 Heterojunctions --- p.69 / Chapter 6.6 --- 1D Zn-SiO2 Heterojunctions --- p.70 / Chapter 6.7 --- Result of the Control Experiments --- p.70 / Chapter 6.8 --- Discussions --- p.70 / Chapter 6.8.1 --- General Mechanism of the 1D Si-metal Heterojunction Formation --- p.70 / Chapter 6.8.2 --- Source of the Si (vapor source and supersaturation control) --- p.71 / Chapter 6.8.3 --- Source of Metal --- p.72 / Chapter 6.8.4 --- Effect of the Reductive Atmosphere --- p.73 / Chapter Chapter 7 --- Conclusions --- p.83 / Reference --- p.85
| Identifer | oai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_325199 |
| Date | January 2005 |
| Contributors | Jiao, Yang., Chinese University of Hong Kong Graduate School. Division of Physics. |
| Source Sets | The Chinese University of Hong Kong |
| Language | English, Chinese |
| Detected Language | English |
| Type | Text, bibliography |
| Format | print, xiv, 87 leaves : ill. ; 30 cm. |
| Rights | Use of this resource is governed by the terms and conditions of the Creative Commons “Attribution-NonCommercial-NoDerivatives 4.0 International” License (http://creativecommons.org/licenses/by-nc-nd/4.0/) |
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