Structural characterisation of vapour Zn-diffused waveguides in lithium niobate

被引：12
|
作者：
Fedorov, VA [1 ]
Korkishko, YN
Vereda, F
Lifante, G
Cusso, F
机构：
[1] Tech Univ, Moscow Inst Elect Technol, Dept Chem, Moscow 103498, Russia
[2] Univ Autonoma Madrid, Dept Fis Mat, E-28049 Madrid, Spain
来源：
JOURNAL OF CRYSTAL GROWTH | 1998年 / 194卷 / 01期
关键词：
lithium niobate; vapour-phase diffusion; crystal structure; X-ray diffraction;
D O I：
10.1016/S0022-0248(98)00618-6
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
All stages of vapour Zn-diffused waveguide fabrication on different cuts of lithium niobate crystals have been structurally characterised by single- and double-crystal X-ray diffractometry. Immediately after diffusion the zinc niobate (ZnNb2O6) phase was formed on the sample surface. After annealing, the ZnO phase appeared with the ZnNb2O6 on the surface of the Zn-diffused waveguides. Both these phases completely disappeared after light polishing. The lattice deformations in vapour Zn-diffused waveguides were found to differ from Zn-substituted solid solutions of lithium niobate. (C) 1998 Elsevier Science B.V. All rights reserved.
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收藏
页码：94 / 100
页数：7
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