Domain formation in heavily doped LiNbO3:Mg crystals exposed to an electron beam

被引：0
作者：
L. S. Kokhanchik
E. V. Emelin
M. N. Palatnikov
机构：
[1] Russian Academy of Sciences,Institute of Microelectronics Technology and High Purity Materials
[2] Russian Academy of Sciences,Tananaev Institute of Chemistry and Technology of Rare Elements and Minerals, Kola Scientific Center
来源：
Inorganic Materials | 2015年 / 51卷
关键词：
Electron Beam; Lithium Niobate; Domain Formation; Small Polaron; Lithium Niobate Crystal;
D O I：
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中图分类号：
学科分类号：
摘要：
This paper presents a detailed study of domain structures produced by an electron beam on the Z-cut surface of LiNbO3:Mg crystals. The doping level and procedure have been shown to influence the shape and number of domains formed in the electron charge deposition zone on the crystal surface. Controlled formation of domains and domain structures through electron beam writing has only been achieved in samples with subthreshold magnesium concentration and in LiNbO3:Mg,Fe samples. The experimental results obtained are discussed in terms of differences in the defect structure and mechanisms of electronic conduction of the samples.
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页码：607 / 612
页数：5
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