Features of structure and mechanical properties LiNbO3

被引：10
|
作者：
Sosunov, Aleksey V. [1 ]
Volyntsev, Anatoly B. [1 ]
Tsiberkin, Kirill B. [1 ]
Yuriev, Victor A. [1 ]
Ponomarev, Roman S. [1 ]
机构：
[1] Perm State Univ, Perm, Russia
来源：
FERROELECTRICS | 2017年 / 506卷 / 01期
关键词：
Lithium niobate; subsurface layer; nanoindentation; dislocations; defects; DC-drift; optical modulators; LITHIUM-NIOBATE CRYSTALS; WAVE-GUIDES; POP-IN; MODULATORS; NANOINDENTATION;
D O I：
10.1080/00150193.2017.1281686
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper reviews the features of the structure, composition and mechanical properties of the subsurface layer of pure lithium niobate. Depth of this layer ranges up to 20m, and it's structure and composition vary significantly from the bulk of a material. It is shown that mechanical properties of said layer differ from the bulk material as well, mainly due to a polishing, which increases density of defects, namely dislocations. High density of dislocation leads to drift of various parameters in the optical modulators, making results of their work inconsistent. These results are important in the production of various devices that are created on the basis of lithium niobate.
引用
收藏
页码：24 / 31
页数：8
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