Structural and field emission properties of ion beam synthesized metal-dielectric nano-composite thin films.

Yuen, Ying Kit.Thesis (M.Phil.)--Chinese University of Hong Kong, 2007.Includes bibliographical references (leaves 90-96).Abstracts in English and Chinese.Chapter Chapter 1 --- IntroductionChapter 1.1 --- Introduction to Electron Field Emission --- p.1Chapter 1.2 --- Theory of Electron Field Emission --- p.4Chapter 1.3 --- Fowler Nordheim Model for Electron Field Emission in Metals --- p.5Chapter 1.4 --- Factors Affecting the Field Emission Properties --- p.7Chapter 1.4.1 --- Surface Morphology --- p.7Chapter 1.4.2 --- Electrical Inhomogeneity --- p.7Chapter 1.5 --- Goal of this Project --- p.9Chapter Chapter 2 --- Sample Preparation and Characterization MethodsChapter 2.1 --- Sample Preparation --- p.11Chapter 2.1.1 --- MEVVA Ion Implantation System --- p.13Chapter 2.1.2 --- TRIM Simulation --- p.17Chapter 2.1.3 --- Implantation Conditions --- p.19Chapter 2.2 --- Characterization Methods --- p.21Chapter 2.2.1 --- AFM - Atomic Force Microscopy --- p.21Chapter 2.2.2 --- C-AFM ´ؤ Conducting Atomic Force Microscopy --- p.23Chapter 2.2.3 --- RBS - Rutherford Backscattering Spectrometry --- p.23Chapter 2.2.4 --- TEM - Transmission Electron Microscopy --- p.26Chapter 2.2.5 --- Field Emission Measurement --- p.27Chapter Chapter 3 --- Field Emission Properties of Co-Si02Chapter 3.1 --- Introduction --- p.29Chapter 3.2 --- RBS results --- p.30Chapter 3.3 --- Experimental results of as-implanted Co-SiO2 samples --- p.32Chapter 3.3.1 --- AFM and results --- p.32Chapter 3.3.2 --- Field emission properties of as-implanted Co-Si02 --- p.35Chapter 3.4 --- Step-like and jump-like features in the J-E plots --- p.39Chapter 3.5 --- Chapter Summary --- p.43Chapter Chapter 4 --- Field Emission Properties of Fe-SiO2Chapter 4.1 --- Introduction --- p.45Chapter 4.2 --- RBS results --- p.46Chapter 4.3 --- Experimental results of as-implanted Fe-SiO2 samples --- p.48Chapter 4.3.1 --- AFM and results --- p.48Chapter 4.3.2 --- Field emission properties of as-implanted Fe-SiO2 --- p.51Chapter 4.3.3 --- Comparison with as-implanted Co-SiO2 --- p.54Chapter 4.4 --- Experimental results of annealed Fe-SiO2 samples --- p.57Chapter 4.4.1 --- Annealing conditions --- p.57Chapter 4.4.2 --- AFM and C-AFM results --- p.57Chapter 4.4.3 --- TEM Images --- p.62Chapter 4.4.4 --- Field emission properties of annealed Fe-SiO2 --- p.68Chapter 4.5 --- Step-like and jump-like features in the J-E plots --- p.81Chapter 4.6 --- Field Emission Images --- p.84Chapter 4.7 --- Chapter Summary --- p.85Chapter Chapter 5 --- Conclusion & Future Plan --- p.87Reference --- p.90AppendixChapter A. --- Derivation of the Fowler Nordheim Equation --- p.9