密堆六方纳米ZnO的X射线衍射表征与研究

doi:10.3724/SP.J.1077.2008.00199

无机材料学报

密堆六方纳米ZnO的X射线衍射表征与研究

程国峰¹, 杨传铮², 黄月鸿¹

(1．中国科学院上海硅酸盐研究所, 上海 200050; 2．中国科学院上海微系统与信息技术研究所, 上海 200050)

收稿日期:2007-01-16 修回日期:2007-04-27 出版日期:2008-01-20 网络出版日期:2008-01-20

Characterization and Research of Hexagonal Closed Packing Structured ZnO
Nano-powders by X-ray Diffraction Method

CHENG Guo-Feng¹, YANG Chuan-Zheng², HUANG Yue-Hong¹

(1. Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China;2. Shanghai Institute of Micro-system and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China)

Received:2007-01-16 Revised:2007-04-27 Published:2008-01-20 Online:2008-01-20

摘要/Abstract

摘要： X射线衍射(XRD)实验发现密堆六方纳米ZnO的hk0、h-k=3n的衍射线, 仅存在微晶宽化, 而h-k=3n±1的衍射线, 无l=偶数、l=奇数的层错选择宽化效应. 为了表征这种纳米ZnO的晶粒大小和层错几率, 提出了分解纳米ZnO微晶-层错二重宽化效应的最小二乘法. 计算结果表明: 密堆六方纳米ZnO的晶粒大小和层错几率与制备方法、原料配比等有关.

关键词: ZnO, 晶粒大小, 层错几率, X射线衍射(XRD)

Abstract: The X-ray diffraction (XRD) tests showed that the diffraction lines of hk0, h-k=3n in the hexagonal closed packing structured (HCPS) ZnO appeared only crystallite broadening effect. The two-fold broadening effects of crystallite-fault could be observed in the diffraction lines of h-k=3n±1, yet the selective broadening was not obvious. In this study, the least square method for separating twofold broadening effect of crystallite-fault were proposed and used to characterize the average crystallite size and stacking faults probability of HCPS ZnO. The results show that the average crystallite size and stacking faults probability are related with the preparation methods and the stoichiometric ratio of ZnO.

Key words: ZnO, crystallite size, stacking fault probability, X-ray diffraction (XRD)

中图分类号:

O766

程国峰,杨传铮,黄月鸿. 密堆六方纳米ZnO的X射线衍射表征与研究[J]. 无机材料学报, DOI: 10.3724/SP.J.1077.2008.00199.

CHENG Guo-Feng,YANG Chuan-Zheng,HUANG Yue-Hong. Characterization and Research of Hexagonal Closed Packing Structured ZnO
Nano-powders by X-ray Diffraction Method[J]. Journal of Inorganic Materials, DOI: 10.3724/SP.J.1077.2008.00199.

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密堆六方纳米ZnO的X射线衍射表征与研究

Characterization and Research of Hexagonal Closed Packing Structured ZnO
Nano-powders by X-ray Diffraction Method

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密堆六方纳米ZnO的X射线衍射表征与研究

Characterization and Research of Hexagonal Closed Packing Structured ZnO Nano-powders by X-ray Diffraction Method

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Characterization and Research of Hexagonal Closed Packing Structured ZnO
Nano-powders by X-ray Diffraction Method