by Law Siu Wah = 超薄薄膜的應變和記憶效應 / 羅紹華. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2003. / Includes bibliographical references. / Text in English; abstracts in English and Chinese. / by Law Siu Wah = Chao bo bo mo de ying bian he ji yi xiao ying / Luo Shaohua. / Acknowledgement --- p.i / Abstract --- p.ii / 論文摘要 --- p.iv / Table of contents --- p.v / List of Figures --- p.viii / List of Tables --- p.xii / Chapter Chapter 1 --- Introduction / Chapter 1.1 --- Magnetoresistance (MR) --- p.1 / Chapter 1.1.1 --- Colossal magnetoresistance (CMR) in rare-earth manganites --- p.2 / Chapter 1.1.2 --- Double exchange mechanism --- p.3 / Chapter 1.1.3 --- Jahn-Teller effect --- p.6 / Chapter 1.1.4 --- Tolerance factor --- p.8 / Chapter 1.1.5 --- The effect of doping --- p.10 / Chapter 1.2 --- Our motivation --- p.12 / Chapter 1.3 --- Scope of this thesis work --- p.12 / References --- p.14 / Chapter Chapter 2 --- Experimental methods / Chapter 2.1 --- Thin film deposition --- p.16 / Chapter 2.1.1 --- Facing Target Sputtering (FTS) --- p.16 / Chapter 2.1.2 --- Vacuum system --- p.19 / Chapter 2.2 --- Annealing systems --- p.20 / Chapter 2.2.1 --- Oxygen annealing system --- p.20 / Chapter 2.2.2 --- Vaccum annealing system --- p.21 / Chapter 2.3 --- Characterization --- p.22 / Chapter 2.3.1 --- Profilometer --- p.22 / Chapter 2.3.2 --- X-ray diiffraction (XRD) --- p.22 / Chapter 2.3.3 --- Resistance measurement --- p.24 / References --- p.25 / Chapter Chapter 3 --- Expitaxial growth of La0.67Ca0.33MnO3 single layer thin film / Chapter 3.1 --- Fabrication and characteristics of La0.67Ca0.33MnO3 target --- p.26 / Chapter 3.2 --- Substrate materials --- p.31 / Chapter 3.3 --- Epiaxial growth of LCMO thin film --- p.33 / Chapter 3.3.1 --- Deposition conditions --- p.33 / Chapter 3.3.2 --- Deposition procedure --- p.35 / Chapter 3.3.3 --- Oxygen annealing effect --- p.36 / References --- p.41 / Chapter Chapter 4 --- Strain effect in expitaxial growth of La0. 67Ca0 .33MnO3 thin films / Chapter 4.1 --- Introduction --- p.42 / Chapter 4.2 --- Preparation of LCMO ultra-thin film on different substrates --- p.45 / Chapter 4.2.1 --- Sample preparation --- p.45 / Chapter 4.2.2 --- Oxygen annealing treatment --- p.45 / Chapter 4.3 --- Resistance measurement --- p.50 / Chapter 4.3.1 --- Thickness effect --- p.50 / Chapter 4.3.2 --- Strain effect --- p.63 / Chapter 4.4 --- Discussions --- p.68 / References --- p.69 / Chapter Chapter 5 --- Memory effect and thermal effect of ultra-thin La0.67Ca0.33MnO3 films / Chapter 5.1 --- Introduction --- p.71 / Chapter 5.2 --- Sample description and measurement method --- p.72 / Chapter 5.3 --- Memory effect and thermal effect --- p.73 / Chapter 5.4 --- Discussion --- p.77 / References --- p.80 / Chapter Chapter 6 --- Conclusion / Chapter 6.1 --- Conclusion --- p.81 / Chapter 6.2 --- Future work --- p.82
| Identifer | oai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_324440 |
| Date | January 2003 |
| Contributors | Law, Siu Wah., 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, xi, 82 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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