Kam Yuen Kwan = 利用散射及反衝粒子飛行時間譜儀及其他表面分析儀器就LiTaO3對質子及鋰離子交換後改變之研究 / 甘婉君. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2003. / Includes bibliographical references. / Text in English; abstracts in English and Chinese. / Kam Yuen Kwan = Li yong san she ji fan chong li zi fei xing shi jian pu yi ji qi ta biao mian fen xi yi qi jiu LiTaO3 dui zhi zi ji li li zi jiao huan hou gai bian zhi yan jiu / Gan Wanjun. / Acknowledgements --- p.i / Abstract --- p.iii / Table of contents --- p.viii / Chapter Chapter 1 --- Introduction --- p.1 / Chapter 1.1 --- Definition of Ferroelectrics --- p.1 / Chapter 1.2 --- Common Properties of Ferroelectrics --- p.2 / Chapter 1.3 --- Polarization --- p.2 / Chapter 1.4 --- Lithium Tantalate (LiTa03) --- p.7 / Chapter 1.4.1 --- Crystal Structure --- p.8 / Chapter 1.4.2 --- Pyroelectric Effect --- p.9 / Chapter 1.4.3 --- Determination of Polarity --- p.10 / Chapter 1.4.4 --- Proton Exchange --- p.11 / Chapter 1.4.5 --- Reverse Exchange --- p.12 / Chapter 1.4.6 --- Applications --- p.13 / Chapter 1.5 --- Emerging Attentions in Surface Properties of Smart Materials --- p.14 / Chapter 1.6 --- Difficulties in Surface Studies of Ferroelectric and Related Smart Materials --- p.15 / Chapter 1.7 --- Recent Developments of TOF-SARS in Our Research Group and Its Applicability on LiTa〇3 --- p.16 / Chapter 1.8 --- Objectives of the Present Thesis Work --- p.17 / Chapter 1.9 --- Organization of the Thesis --- p.17 / Chapter 1.10 --- Reference --- p.18 / Chapter Chapter 2 --- Ion Exchange Processes and Sample Prepartion --- p.20 / Chapter 2.1 --- Fundamental of Ion Exchange Technique --- p.20 / Chapter 2.2 --- Sample Preparation --- p.22 / Chapter 2.2.1 --- Starting Material --- p.22 / Chapter 2.2.2 --- Proton Exchange Procedures --- p.23 / Chapter 2.2.3 --- Reverse Exchange Procedures --- p.23 / Chapter 2.3 --- Reference --- p.24 / Chapter Chapter 3 --- Time-of-Flight Ion Scattering and Recoiling Spectrometry (TOF-SARS) --- p.26 / Chapter 3.1 --- Introduction --- p.26 / Chapter 3.1.1 --- Physics in Elemental Analysis --- p.26 / Chapter 3.1.2 --- Physics in Structural Analysis --- p.29 / Chapter 3.2 --- Instrumentation --- p.32 / Chapter 3.2.1 --- Vacuum Chamber --- p.33 / Chapter 3.2.2 --- Pumping System --- p.35 / Chapter 3.2.3 --- Sample Manipulator --- p.35 / Chapter 3.2.4 --- Pulsed Ion Beam Line --- p.36 / Chapter 3.2.5 --- Detectors and Associated Electronics --- p.37 / Chapter 3.3 --- Reference --- p.39 / Chapter Chapter 4 --- Other Surface Science Tools Used in This Work --- p.41 / Chapter 4.1 --- Fourier Transform Infrared Spectroscopy (FTIR) --- p.41 / Chapter 4.1.1 --- Principle of FTIR --- p.41 / Chapter 4.1.2 --- Experiment --- p.42 / Chapter 4.1.3 --- Attenuated Total Reflectance (ATR) Mode of FTIR --- p.44 / Chapter 4.2 --- X-Ray Photoelectron Spectroscopy (XPS) --- p.45 / Chapter 4.2.1 --- Basic Principle of XPS --- p.45 / Chapter 4.2.2 --- Experimental Set Up --- p.48 / Chapter 4.3 --- Elastic Recoil Detection (ERD) --- p.49 / Chapter 4.3.1 --- Basic Theory of ERD --- p.49 / Chapter 4.3.2 --- Experimental Set Up --- p.50 / Chapter 4.4 --- Scanning Electron Microscope (SEM) --- p.51 / Chapter 4.4.1 --- Working Principle of SEM --- p.52 / Chapter 4.4.2 --- Experimental Set Up --- p.52 / Chapter 4.5 --- Reference --- p.53 / Chapter Chapter 5 --- Results and Discussions --- p.54 / Chapter 5.1 --- ERD Results on Incorporation of Protons --- p.54 / Chapter 5.2 --- XPS Results on Proton Exchange and Reverse Exchange --- p.56 / Chapter 5.3 --- FTIR Results on Proton Exchange and Reverse Exchange --- p.57 / Chapter 5.4 --- SEM Results on Domain-Inversion Induced by Proton Exchange --- p.59 / Chapter 5.5 --- TOF-SARS Results on Enhancement of Ion-induced Electron Emission by Proton Exchange --- p.61 / Chapter 5.5.1 --- Typical TOF-SARS Spectra - Data from Molybdenum Sample (Mo) Holder --- p.61 / Chapter 5.5.2 --- Virgin LiTa03 (0001) --- p.62 / Chapter 5.5.3 --- Possible Mechanism for the Variation of O(S) and the Electron Emission Yield --- p.65 / Chapter 5.5.4 --- The Use of O(S) Peak to Calculate the Potential Built Up upon a Change of Temperature --- p.67 / Chapter 5.5.5 --- TOF-SARS Data from the Proton and Lithium-ion Exchanged LiTa03 (0001) --- p.69 / Chapter 5.5.6 --- Plausible Mechanisms of Enhancement of Ion-induced Electron Yield induced by Proton Exchange --- p.70 / Chapter 5.6 --- Additional Discussions of the TOF-SARS Data on LiTa03 and Other Relevant Experiments --- p.75 / Chapter 5.6.1 --- Additional Discussion of the Nature of the Electron Peaks --- p.75 / Chapter 5.6.2 --- Additional Experiments on Azimuthal Angle (δ) Scans --- p.77 / Chapter 5.6.2.1 --- Data from Platinum (Pt) (111) as a Reference Test --- p.77 / Chapter 5.6.2.2 --- Azimuthal Angle Dependence of Ion-induced Electron Emission from Proton-ion Exchanged LiTa03 (0001) --- p.78 / Chapter 5.7 --- Reference --- p.80 / Chapter Chapter 6 --- Conclusion --- p.83 / Chapter Chapter 7 --- Appendix --- p.86 / Chapter 7.1 --- Caption --- p.86 / Chapter 7.2 --- Figures --- p.90
| Identifer | oai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_324438 |
| Date | January 2003 |
| Contributors | Kam, Yuen Kwan., Chinese University of Hong Kong Graduate School. Division of Materials Science and Engineering. |
| Source Sets | The Chinese University of Hong Kong |
| Language | English, Chinese |
| Detected Language | English |
| Type | Text, bibliography |
| Format | print, xii, 136 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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