Influence of the Quenching Temperature on the Ferroelectric Regular Domain Structure Formation

被引：0
|
作者：
Mazur, Olga [1 ]
Stefanovich, Leonid [1 ]
Lakusta, Marharyta [2 ]
机构：
[1] NAS Ukraine, Dept Phys Coal & Rocks, Inst Phys Min Proc, Dnipro, Ukraine
[2] NAS Ukraine, Mat Sci Dept, Donetsk Inst Phys & Engn, Kiev, Ukraine
来源：
PROCEEDINGS OF THE 2019 IEEE 9TH INTERNATIONAL CONFERENCE ON NANOMATERIALS: APPLICATIONS & PROPERTIES (NAP-2019), PTS 1-2 | 2019年
关键词：
ferroelectric; regular domain structure; kinetics; relaxation; quenching depth; external electric field; PHASE-TRANSITION; LITHIUM TANTALATE; PATTERN EVOLUTION; SINGLE-CRYSTAL; KINETICS; STATE;
D O I：
10.1109/NAP47236.2019.2169081
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The kinetics of the formation of regular domain structures has been investigated in the framework of the Ginzburg-Landau model, using the lithium tantalate crystal as an example. The nonmonotonic character of the evolution of the system to the state of thermodynamic equilibrium is shown. Due to the nonlinearity of the equations obtained, a numerical analysis was performed which showed the existence of an incubation period and virtual asymmetric polydomain phases. It was found that the formation of regular domain structures under the influence of a high-frequency electric field occurs at any quenching temperature. It was shown that in the process of relaxation the average domain size grows according to the square root law.
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页数：5
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