Before writing the opening report, data collection and literature review should be done well to lay a good foundation for the opening report. The following is the opening report of the material science major I shared. Welcome to read the reference.
1. Paper Title: Study on zno Piezoelectric Thin Film Ceramic Tiles.
2. The significance of the topic:
2. 1 theoretical significance
According to the current frontier technology of physics, using the characteristics of piezoelectric ceramics, using vacuum film-making machine, using zno and other materials to make piezoelectric films that can convert pressure into electric energy.
2.2 Practical significance
Piezoelectric films are added to the tiles and laid in places with high traffic such as railway stations and airports, so that the pressure people walk through can be converted into electric energy for lighting, thus achieving the effect of energy saving and emission reduction.
3. Literature review
3. 1 types of references
Mainly: books and periodicals.
3.2 methods of literature review
Mainly: Library, China Knowledge Network, VIP, Wanfang.
3.3 Reference Works
Preparation and Characterization of 1.ZnO Piezoelectric Thin Films
Authors: Xu Hengxing, Wang, Peng Hongyong, Journal of Synthetic Crystals, Vol.38, No.4, August 2009.
Abstract: High quality ZnO piezoelectric films were prepared on silicon (100) substrate by RF magnetron sputtering. The composition, surface morphology and piezoelectric properties of the films were studied by X-ray diffraction (XRD), atomic force microscope (AFM) and piezoelectric response force microscope (PFM). The results show that the ZnO films prepared by the experiment have good piezoelectric properties, and the C-axis orientation and surface roughness have great influence on the piezoelectric properties of the films. ZnO thin films with high C-axis orientation and small surface roughness show good piezoelectric properties.
2. Preparation and application of ceramic thin films
Author: Lu; ; Li Youchu; Han Wei; Wang Fengming; In the 1999 06 version of the material guide.
The characteristics of various thin film preparation methods (physical methods and chemical methods) are expounded, and the applications of ceramic thin films as hard thin films, gas sensitive thin films, ferroelectric and piezoelectric microelectronic thin films are summarized from the perspectives of oxides and non-oxides.
New progress in preparation technology of 3.0-3 piezoelectric ceramic/polymer composites
Author: Li Xiaobing; Tian Yan; Zhang Yue; Functional materials 200 1 04.
Abstract: Type 03 piezoelectric ceramic/polymer composite has good comprehensive properties that single-phase piezoelectric ceramics or polymers do not have, so it has aroused people's extensive interest and research. In this paper, the preparation technology of 03 piezoelectric composites and the piezoelectric properties of the corresponding composites are reviewed, and three new preparation technologies are emphatically introduced: hydrolytic polymerization, condensed colloid polymerization and solution polymerization. The advantages and disadvantages of various preparation technologies are briefly analyzed, which provides a basis for the further research, development and application of piezoelectric ceramic/polymer composites (even nano-piezoelectric composites).
4. ZnO thin films for SAW devices were prepared by 4.PLD method.
Author: Liu Yansong; Wang; Li; Huang Jipo; Lin; Functional materials in 200 1 phase 0 1
Abstract: ZnO thin films were deposited on monocrystalline silicon (100) substrate by pulsed laser deposition. XRD, TEM and AFM analysis show that the deposited ZnO films have good c-axis orientation and surface flatness. By changing the deposition atmosphere or annealing at high temperature in pure oxygen, the resistivity of ZnO thin films increased to 65438±007cm. These results show that ZnO thin films prepared by PLD method can meet the requirements of SAW devices.
5. Research progress of zinc oxide thin films and their properties
Author: Huang; ; Liu; You can do it once; Liu Shaobo; Journal of Inorganic Materials, 200 103.
ZnO thin film is a kind of material with excellent piezoelectric, photoelectric, gas-sensitive and pressure-sensitive properties. Widely used in transparent conductors, light-emitting elements, solar cell window materials, optical waveguides, monochromatic field emission display materials, high-frequency piezoelectric transducers, surface acoustic wave elements, microsensors and low-voltage varistors. There are many methods to prepare ZnO thin films, each with its own advantages and disadvantages. However, the difference of film properties depends on different doping components and is closely related to the preparation process. In this paper, the preparation and properties of ZnO thin films are reviewed, and their development trends and prospects are discussed.
4. Research design
4. 1 concept definition
Zno piezoelectric thin film: ZnO thin film is a material with excellent piezoelectric, photoelectric, gas-sensitive and pressure-sensitive properties, which is widely used in transparent conductors, light-emitting elements, solar cell window materials, optical waveguides, monochromatic field emission display materials, high-frequency piezoelectric transducers, surface acoustic wave elements, microsensors and low-voltage piezoresistors.
Ceramic tile: it is a kind of building or decorative material made of refractory metal oxide and semi-metal oxide through grinding, mixing, pressing, glazing and sintering. Collectively referred to as tiles. Its raw materials are mostly mixed with clay and quartz sand.
4.2 Research hypothesis
High quality ZnO piezoelectric films were prepared on silicon (100) substrate by RF magnetron sputtering, and the pressure was converted into electric energy.
4.3 Research content
4.3. 1 refer to papers and periodicals, and theoretically analyze that zno can be used to make piezoelectric films;
4.3.2 ZnO piezoelectric thin films with high quality were prepared on silicon (100) substrate by RF magnetron sputtering in Ren Yue laboratory.
4.3.3 Detect the conductivity of zno piezoelectric film and combine it with ceramic tile for practical use.
4.4 Research methods
Literature, experiment, observation, etc. Through the combination of theoretical and experimental analysis, it was tested in some places of the school.
4.5 Research Steps
Get information? Theoretical analysis? Thin film RF magnetron sputtering? Verify the conversion efficiency? Combination tiles? Actual test? come to a conclusion
5. Conclusion
Through research, it is found that pressure can be converted into electric energy, but the efficiency is relatively low. We can further study the combination of zno and other materials or the reasonable layout of tile design to improve the conversion and utilization efficiency.
Step 6 refer to
[1] Ma Yong, Wang Wanlu, Lv Jianwei, etc. Photoluminescence of ZnO Thin Films [J]. Functional Materials, 2004,35 (2):139-144
[2] Li Shitao, Qiao Xueliang, Chen Jianguo. Research Status and Application of Transparent Conductive Thin Films [J]. Progress in Laser and Optoelectronics, 2003,4o (7): 53-59.
Ge Chunqiao, Xue, Xia. Preparation Technology of AZO Transparent Conductive Thin Films [J]. Vacuum Electronic Technology, 2004, 16 (6): 5 1-54.
[4] Deng. Research progress of zinc oxide doping [J]. Forum of China Association for Science and Technology, 2007,7 (2): 50-51
[5] Xu Xiaohong and Wu Haishun. Preparation, structure and application of piezoelectric thin films [M]. Beijing Science Press, 2002.
[6] He Hongbo, Fan. Study on sputtering process and structure of C-axis oriented ZnO thin films [J]. Functional materials, 2000,31(supplement): 77.78
[7] Bao Dinghua was born in Jane Zhang, Yao Xi. Measurement method of piezoelectric properties of thin films [J]. Bulletin of Silicate, 1999, 18 (3): 18-22
[8] Ma Zi, Liu Boda. Observing the surface morphology of optical thin films by atomic force microscope [J]. Journal of China Electron Microscopy Society, 2000, 19 (5): LO- 13.
[9] Teng Fengen, Yu Ming, Jiang Xiaolong, etc. X-ray structural analysis and characterization of material properties [M]. Beijing: Science Press, 1997:25-40
[10] Lin, zhangyan, et al. Preparation technology and characteristics of nano-ZnO thin films [J]. journal of beijing institute of technology, 1995,15 (2):132-137.
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