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ceramic

木虫 (小有名气)

应助: 0 (幼儿园)
金币: 4054.6
散金: 108
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帖子: 271
在线: 85.7小时
虫号: 28506
注册: 2003-11-11
性别: GG
专业: 无机非金属类光电信息与功

[交流] 寻找高压电性的另外一种可能性，Applied Physics Reviews的一篇关于电致应变的文章已有3人参与

本文系统的讨论了铁电材料中的电致伸缩效应，最后展望部分提出有序度可能与高的性能有关。

http://scitation.aip.org/content ... 1/10.1063/1.4861260

Article outline:
I. INTRODUCTION
II. THE DETERMINATION OF THE ELECTROSTRICTIVE COEFFICIENTS
A. Electrostrictive coefficients measured by strain versus the polarization/electric field
B. Electrostrictive coefficients measured using the dielectric permittivity versus the applied stress
C. Electrostrictive coefficients determined using the piezoelectric coefficients
D. Electrostrictive coefficients determined from the lattice parameters
E. Electrostrictive coefficients determined from the dielectric permittivity under a DC-biased electric field
III. THE ORIGIN OF ELECTROSTRICTION
IV. ELECTROSTRICTION WITH RESPECT TO THE MICROSCOPIC AND MACROSCOPIC CHARACTERISTICS
A. Microscopic characteristics versus the electrostrictive effect
B. Macroscopic characteristics versus the electrostrictive effect
1. Dielectric and elastic responses versus the electrostrictive effect
2. Thermal expansion versus the electrostrictive effect
V. ELECTROSTRICTION IN PEROVSKITE FERROELECTRICS
A. Electrostrictive effect versus ferroelectric phase transitions
1. Polymorphic phase transition (PPT, phase transitions induced by temperature)
2. Morphotropic phase boundary (MPB, phase transitions induced by composition)
B. Orientation dependence of electrostriction
C. Electrostrictive coefficient Q versus the electromechanical properties
1. Electrostrictive coefficient Q versus the electric field-induced strain
2. Electrostrictive coefficient Q versus piezoelectric activity
3. Can piezoelectric activity be improved with electrostriction?
VI. CONCLUSIONS AND FUTURE PERSPECTIVES

Q1.jpg