Preparation and properties of CCTO ceramics.

Abstract

Yuan, Wenxiang = CCTO陶瓷材料的制备和性质研究 / 苑文香.Thesis (M.Phil.)--Chinese University of Hong Kong, 2007.Includes bibliographical references (leaves 63-67).Text in English; abstracts in English and Chinese.Yuan, Wenxiang = CCTO tao ci cai liao de zhi bei he xing zhi yan jiu / Yuan Wenxiang.Acknowledgement --- p.iiAbstract --- p.iiiContents --- p.vChapter Chapter 1 --- Introduction --- p.1Chapter 1.1 --- Background --- p.1Chapter 1.2 --- Structure --- p.1Chapter 1.3 --- Models --- p.3Chapter 1.3.1 --- Parallel RC --- p.3Chapter 1.3.2 --- Two parallel RCs in series --- p.5Chapter 1.4 --- Motivation --- p.7Chapter 1.5 --- Our work --- p.7Chapter Chapter 2 --- Experiment --- p.8Chapter 2.1 --- Sources and substrate --- p.8Chapter 2.2 --- Preparation of the CCTO samples --- p.8Chapter Chapter 3 --- Experimental equipment --- p.13Chapter 3.1 --- Furnace --- p.13Chapter 3.2 --- X-ray diffraction (XRD) --- p.13Chapter 3.3 --- Scanning electron microscopy (SEM) --- p.16Chapter 3.4 --- Impedance analyzers --- p.17Chapter Chapter 4 --- Selections of the experimental conditions --- p.18Chapter 4.1 --- Selection of calcining-process conditions --- p.18Chapter 4.1.1 --- Experimental results --- p.18Chapter 4.1.2 --- Comparison with the results of other research groups --- p.21Chapter 4.2 --- Selection of sintering-process conditions --- p.22Chapter 4.2.1 --- CuO volatilization --- p.22Chapter 4.2.2 --- CCTO decomposition --- p.24Chapter 4.3 --- Optimizing of the Cu/Ca ratio --- p.29Chapter Chapter 5 --- Results and discussion --- p.31Chapter 5.1 --- Properties of CCTO ceramics sintered at different temperatures for 10 h --- p.32Chapter 5.2 --- Properties of CCTO ceramics sintered for different durations at 1000°C --- p.43Chapter 5.3 --- Properties of CC3+ΧTO ceramics --- p.52Chapter 5.4 --- Discussion --- p.58Chapter Chapter 6 --- Conclusions --- p.61References --- p.6