Electric-field control of the ferro-paraelectric phase transition in Cu: KTN crystals

被引：7
|
作者：
Zhang, Xin [1 ,2 ]
Liu, Hongliang [1 ,2 ]
Zhao, Zhuan [1 ,2 ]
Wang, Xuping [3 ]
Wu, Pengfei [1 ,2 ]
机构：
[1] Nankai Univ, Inst Modern Opt, Key Lab Opt Informat Sci & Technol, Minist Educ, Tianjin 300071, Peoples R China
[2] Tianjin Key Lab Optoelect Sensor & Sensing Networ, Tianjin 300071, Peoples R China
[3] Shandong Acad Sci, Adv Mat Inst, Jinan 250014, Shandong, Peoples R China
来源：
OPTICS EXPRESS | 2017年 / 25卷 / 23期
基金：
中国国家自然科学基金;
关键词：
SCALE-FREE OPTICS; DIFFRACTION CANCELLATION; DIELECTRIC-PROPERTIES; POLAR NANOREGIONS; FERROELECTRICS; KTA1-XNBXO3; DYNAMICS; LIFETIME; GROWTH;
D O I：
10.1364/OE.25.028776
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report an efficient approach for ferro-paraelectric phase transition control in Cu: KTN crystals by using AC electric fields. Based on a dielectric loss mechanism, the thermal effect is induced directly inside the crystal without using extra thermal sources or complicated thermostat systems. By adjusting either the amplitude or the frequency of an AC electric field, we can easily and precisely control the ferro-paraelectric phase transition process which concurs with dynamic development of polar nanostructures of KTN crystals. In addition, we use a laser beam to probe in real time the dynamic process of crystalline phase transition. The study is important for developing novel electro-optic and ferroelectric devices for a wide range of photonic applications. (C) 2017 Optical Society of America
引用
收藏
页码：28776 / 28782
页数：7
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