Ng Ka Shun = La₀.₄Ca₀.₆MnO₃/La₀.₈Ca₀.₂MnO₃多層薄膜之龐磁阻 / 吳家信. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2006. / Includes bibliographical references. / Text in English; abstracts in English and Chinese. / Ng Ka Shun = La₀.₄Ca₀.₆MnO₃/La₀.₈Ca₀.₂MnO₃ duo ceng bo mo zhi pang ci zu / Wu Jiaxin. / Acknowledgements --- p.i / Abstract --- p.ii / 論文摘要 --- p.iii / Table of Contents --- p.iv / List of Figures --- p.vi / List of Tables --- p.viii / Chapter Chapter 1 --- Introduction / Chapter 1.1 --- Review of magnetresistance --- p.1-1 / Chapter 1.2 --- Colossal magnetoresistance (CMR) --- p.1-4 / Chapter 1.3 --- Possible mechanism of CMR --- p.1-7 / Chapter 1.3.1 --- Double exchange --- p.1-7 / Chapter 1.3.2 --- Phase separation and percolation theory --- p.1-9 / Chapter 1.3.3 --- Current carrier density collapse --- p.1-12 / Chapter 1.4 --- Our motivation --- p.1-14 / Chapter 1.5 --- Brief review of several manganite multilayer systems --- p.1-15 / Chapter 1.6 --- Scope of this thesis work --- p.1-16 / References --- p.1-17 / Chapter Chapter 2 --- Instrumentation / Chapter 2.1 --- Thin film deposition --- p.2-1 / Chapter 2.1.1 --- Facing target sputtering (FTS) --- p.2-1 / Chapter 2.1.2 --- Connection of heating wires and thermocouple --- p.2-5 / Chapter 2.1.3 --- Vacuum system --- p.2-7 / Chapter 2.2 --- Annealing system --- p.2-9 / Chapter 2.3 --- Characterization --- p.2-11 / Chapter 2.3.1 --- X-ray diffraction (XRD) --- p.2-11 / Chapter 2.3.2 --- Resistance measurement --- p.2-13 / Chapter 2.3.3 --- Thickness estimation --- p.2-15 / References --- p.2-15 / Chapter Chapter 3 --- Growth and characterization of LCMO single layer thin film --- p.3-1 / Chapter 3.1 --- Fabrication and characterization of LCMO targets --- p.3-1 / Chapter 3.2 --- Preparation of LCMO thin film --- p.3-5 / Chapter 3.2.1 --- Deposition conditions --- p.3-5 / Chapter 3.2.2 --- Depostion procedure --- p.3-8 / Chapter 3.2.3 --- Characterization of single layer film --- p.3-9 / References --- p.3-12 / Chapter Chapter 4 --- La0.4Ca0.6MnO3 / La0.8Ca0.2MnO3 multilayers / Chapter 4.1 --- Sample preparation --- p.4-1 / Chapter 4.2 --- Results and discussion --- p.4-4 / Chapter 4.2.1 --- Structural characterization --- p.4-4 / Chapter 4.2.2 --- Transport properties --- p.4-10 / Chapter 4.3 --- Oxygen post-annealing of multilayer thin films --- p.4-13 / Chapter 4.3.1 --- Introduction --- p.4-13 / Chapter 4.3.2 --- Oxygen post-annealing conditions --- p.4-14 / Chapter 4.3.3 --- Results and discussion --- p.4-16 / Chapter 4.4 --- Conclusion --- p.4-26 / References --- p.4-27 / Chapter Chapter 5 --- Conclusion

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