纳米结构ZnCuO铁磁性能分析
毕业论文关键词： Cu掺杂；铁磁性；生长机制；发光性能
Study on Ferramagnetic Properties of Cu Doped ZnO
Abstract:We report a simple chemical vapor deposition method for producing a copper-doped ZnO hemispherical shell structure with room temperature ferromagnetism. By changing the growth temperature and the reaction time of a series of control experiments，We observed that the evolution of the global disconnect bomb-shaped structure forms a part of the product，And at different temperatures hemispherical steel shell hemispherical shell extension of reaction time together. Growth mechanism of ZnO: Cu hemispherical shell structure has been proposed is directed to the Cu-Zn-doped sphere, surface oxidation, and synthesized from the broken shell of zinc sublimation. Structural and optical properties of zinc oxide: X-ray diffraction, Raman spectroscopy and photoluminescence measurements show that Cu ions are successfully substituted into the position of Zn 2+ and more inherent structural defects. We believe that the combination of spectral analysis, magnetic copper content of the sample from the enhancement and oxygen vacancies increase.
Keywords: Cu doped; ferromagnetic; the growth mechanism; optical properties
目录
摘要 i
Abstract i
目录 ii
1 绪论 1
1.1 CU掺杂ZNO纳米结构的概述 1
1.1.1 纳米结构ZnCuO铁磁性能概述 1
1.1.2 纳米结构ZnCuO的性质和应用 1
1.2 纳米结构ZNCUO铁磁性能的研究进展 1
1.3 纳米结构ZNCUO的制备方法 1
1.4 纳米结构ZNCUO铁磁性能的研究意义 1
2 测量纳米结构ZnCuO薄膜的各种性能 4
2.1 纳米结构ZNCUO薄膜结构测试的原理 4
2.2 纳米结构ZNCUO薄膜的制备 4
2.3 纳米结构ZNCUO薄膜铁磁性能的测量 4
3 实验过程数据整合分析 5
3.1 纳米结构ZNCUO结构的分析 5
3.2 纳米结构ZNCUO铁磁性能的分析 5
3.3 纳米结构ZNCUO光学性能的分析 5
4 论文总结与展望 6
致谢 7
参考文献 8
附录 9
1 绪论
ZnO是一种室温下带隙为3.37eV，吹冰角结构的直接带隙半导体,由于它具有高化学稳定性、大光电耦合系数、低介电常数、高激子结合能（高达60meV）及优良的光电、压电特性，因此在光电探测器、发光二极管、太阳能电池及表面声波器件等领域有广泛的应用前景。
1.1 Cu掺杂ZnO纳米结构的概述
1.1.1 纳米结构ZnCuO铁磁性能概述
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