Phase mapping of domain kinetics in lithium niobate by digital holographic interferometry

被引：15

作者：

Zhi, Ya'nan ^{[1
]}

Liu, De'an ^{[1
]}

Sun, Jianfeng ^{[1
]}

Yan, Aimin ^{[1
]}

Zhou, Yu ^{[1
]}

Luan, Zhu ^{[1
]}

Dai, Enwen ^{[1
]}

Liu, Liren ^{[1
]}

Qu, Weijuan ^{[2
]}

机构：

[1] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Shanghai 201800, Peoples R China

[2] Nanyang Technol Univ, Sch Mech & Aerosp Engn, Singapore 639798, Singapore

来源：

JOURNAL OF APPLIED PHYSICS | 2009年 / 105卷 / 02期

基金：

中国国家自然科学基金;

关键词：

dielectric polarisation; dielectric relaxation; electric domain walls; ferroelectric materials; holography; interferometry; lithium compounds; nucleation; stoichiometry; SITU VIDEO OBSERVATION; LITAO3; VISUALIZATION; CRYSTALS; REVERSAL; LINBO3;

D O I：

10.1063/1.3068363

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The phase mapping of domain kinetics under the uniform steady-state electric field is achieved and investigated in the LiNbO3 crystals by digital holographic interferometry. We obtained the sequences of reconstructed three-dimensional and two-dimensional wave-field phase distributions during the electric poling in the congruent and near stoichiometric LiNbO3 crystals. The phase mapping of individual domain nucleation and growth in the two crystals are obtained. It is found that both longitudinal and lateral domain growths are not linear during the electric poling. The phase mapping of domain wall motions in the two crystals is also obtained. Both the phase relaxation and the pinning-depinning mechanism are observed during the domain wall motion. The residual phase distribution is observed after the high-speed domain wall motion. The corresponding analyses and discussions are proposed to explain the phenomena.

引用

页数：8

共 26 条

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