Luminescence characterisation of LiNbO3

被引：0
|
作者：
Ghamdi, A.A. [1 ]
Jones, G. [1 ]
Townsend, P.D. [1 ]
Polgar, K. [1 ]
机构：
[1] Univ of Sussex, United Kingdom
来源：
Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms | 1988年 / B32卷 / 1-4期
关键词：
Crystals - Impurities - Electron Beams - Ion Beams - Light - Absorption - Luminescence - Solids;
D O I：
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中图分类号：
学科分类号：
摘要：
LiNbO3 luminescence has been excited by both ion and electron beams as a monitor of crystal purity and stoichiometry. Samples taken from an experimental boule doped with Mg and Ti show luminescence features characteristic of each impurity and these demonstrate segregation effects during boule growth. In addition to the impurity effects there are major changes in luminescence intensity resulting from variations in stoichiometry. There is a strong correlation between the luminescence intensity and the changes in the position of the optical absorption edge.
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页码：51 / 55
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