Al<sub>2</sub>O<sub>3</sub>对氟氧化物玻璃微结构和析晶的影响

doi:10.7498/aps.61.118102

摘要
参考文献(17)
相关文章 (15)

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摘要：

采用红外, Raman, X射线衍射测试分析方法, 研究了Al₂O₃对氟氧化物玻璃微结构和析晶的影响.结果表明, Al³⁺主要以[AlO₄]的形式与[SiO₄]以顶角相连的方式构成基本网络骨架, Al₂O₃含量的增加, 使氧化物玻璃基质的网络向单体和二聚体结构转变, 并使氟化物微晶尺寸有一个先变小后增大的趋势, 但不影响微晶结构.

关键词：氟氧化物玻璃微结构析晶

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	刘敏
	余华
	张盼
	张铭
	刘艳
	赵丽娟

Abstract：

The effects of Al₂O₃ on micro-structure and crystallization of oxyfluoride glass are investigated by infrared spectra, Raman spectra and X-ray diffraction analyses. The results show that [AlO₄] is connected with [SiO₄] units by means of angle connection, thereby forming the basic network of glass. When the content of Al₂O₃ increases, the structures of monomer and dimer increase in oxide glass matrix. Under the condition, the size of nanocrystals has a minimum value, while the structure of nancrystals is not affected.

Keywords： oxyfluoride glass microstructure crystallization

收稿日期: 2011-09-13

PACS:	81.05.Pj	(Glass-based composites, vitroceramics)
	61.43.Fs	(Glasses)
	81.10.Jt	(Growth from solid phases (including multiphase diffusion and recrystallization))

基金:

天津市重点自然科学基金(批准号: 9JCZDJC16700)和中央高校基本科研业务费专项基金(批准号: 65010831)资助的课题.

引用本文:

刘敏,余华,张盼等 . Al₂O₃对氟氧化物玻璃微结构和析晶的影响. 物理学报, 2012, 61(11): 118102.

Cite this article:

Liu Min,Yu Hua,Zhang Pan et al. Effects of Al₂O₃ on micro-structure and crystallization of oxyfluoride glass. Acta Phys. Sin., 2012, 61(11): 118102.

URL:

http://wulixb.iphy.ac.cn/CN/Y2012/V61/I11/118102 或 http://wulixb.iphy.ac.cn/CN/10.7498/aps.61.118102

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