Wai, Kwai Fong = 錳氧化物 - 鈮摻雜之鈦酸鍶異構結的電流電壓關係測量 / 韋桂芳. / "Sept 2007." / Thesis (M.Phil.)--Chinese University of Hong Kong, 2007. / Includes bibliographical references. / Text in English; abstracts in English and Chinese. / Wai, Kwai Fong = Meng yang hua wu - ni shan za zhi tai suan si yi gou jie de dian liu dian ya guan xi ce liang / Wei Guifang. / Acknowledgement / Abstract / 論文摘要 / Table of content / List of Figures / List of Tables / Appendix A / Chapter Chapter 1 --- Introduction / Chapter 1.1 --- Structure and properties of perovskite manganites / Chapter 1.2 --- Magnetoresistance (MR) / Chapter 1.3 --- Giant Magnetoresistance (GMR) / Chapter 1.4 --- Colossal Magnetoresistance (CMR) / Chapter 1.4.1 --- Exchange interaction and CMR / Chapter 1.5 --- p-n junction / Chapter 1.5.1 --- Fundamentals of a p-n homojunction / Chapter 1.5.2 --- Deviations from the Ideal Diode / Chapter 1.5.2.1 --- Zener breakdown / Chapter 1.5.2.2 --- Avalanche / Chapter 1.5.3 --- Heterojunction / Chapter 1.6 --- Research motivation / Chapter 1.7 --- Scope of the thesis / References / Chapter Chapter 2 --- Experimental details / Chapter 2.1 --- Thin film deposition / Chapter 2.1.1 --- Facing target sputtering / Chapter 2.1.2 --- Vacuum system / Chapter 2.1.3 --- Deposition procedure / Chapter 2.2 --- Oxygen annealing system / Chapter 2.3 --- Silver electrode coating apparatus / Chapter 2.4 --- Characterization / Chapter 2.4.1 --- Alpha-step profilometer / Chapter 2.4.2 --- X-ray diffractometer / Chapter 2.4.3 --- Electrical transport property measurement / Chapter 2.4.3.1 --- Measurement of resistance as a function of temperature (RT) / Chapter 2.4.3.2 --- Measurement of I-V characteristics of a junction / References / Chapter Chapter 3 --- Epitaxial LSMO/STON heterojunction / Chapter 3.1 --- Sample preparation / Chapter 3.2 --- Results and Analysis / Chapter 3.2.1 --- Structural analysis / Chapter 3.2.2 --- R-T measurement / Chapter 3.2.3 --- I-V measurement / Chapter 3.2.3.1 --- Analysis of diffusion voltage and breakdown voltage / Chapter 3.2.3.2 --- Construction of energy band diagram of LSMO/STON at room temperature / Chapter 3.2.3.3 --- Investigating how the energy band structure varies with the temperature / Chapter 3.2.3.4 --- Further development of the energy band analyzing method to wide-p/narrow-n heteroj unction / Chapter 3.2.3.5 --- Forward-biased deviations from ideal / Chapter 3.2.3.6 --- Discussion on the reasons for deviations from ideal / Chapter 3.2.4 --- MR determination / References / Chapter Chapter 4 --- Epitaxial [LSMO/PCMO] multilayers and p-n junction / Chapter 4.1 --- [LSMO/PCMO]/NGO multi-layered thin films / Chapter 4.1.1 --- Sample preparation / Chapter 4.1.2 --- Results and analysis / Chapter 4.1.2.1 --- Structural analysis / Chapter 4.1.2.2 --- R-T measurement / Chapter 4.2 --- [LSMO/PCMO]/STON multi-layered junction / Chapter 4.2.1 --- Sample preparation / Chapter 4.2.2 --- Results and analysis / Chapter 4.2.2.1 --- Structural analysis / Chapter 4.2.2.2 --- R-T measurement / Chapter 4.2.2.3 --- I-V measurement / Chapter 4.2.2.3.1 --- Analysis of diffusion voltage and breakdown voltage / Chapter 4.2.2.3.2 --- Investigating the energy band structure as a function of temperature / Chapter 4.2.2.3.3 --- Forward-biased deviations from an ideal junction diode / Chapter 4.2.2.3.4 --- Review on MR calculation / Chapter 4.2.2.3.5 --- Analysis of MR of [LSMO(8 A ) /PCMO(8 A)]/STON and LSMO/STON / References / Chapter Chapter 5 --- [La0 4Ca0.6MnO3/La0.8Ca0.2MnO3］p-n junction / Chapter 5.1 --- Sample preparation / Chapter 5.2 --- Result and analysis / Chapter 5.2.1 --- Structural analysis / Chapter 5.2.2 --- R-T measurement / Chapter 5.2.3 --- I-V measurement / Chapter 5.2.3.1 --- Analysis of diffusion voltage and breakdown voltage / Chapter 5.2.3.2 --- Investigating the energy band structure as a function of temperature / Chapter 5.2.3.3 --- Forward-biased deviations from ideal / Chapter 5.2.3.4 --- MR analysis / Chapter Chapter 6 --- Conclusion / Chapter 6.1 --- Conclusion / Chapter 6.2 --- Future outlook
| Identifer | oai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_326210 |
| Date | January 2007 |
| Contributors | Wai, Kwai Fong., 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, xviii, 143 leaves : ill. (some col.) ; 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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