电畴
- electric domain
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同时根据压电晶体的电畴结构和晶体结构原理,研制出抗迟滞驱动控制软件。
Based on the principle of the electric domain and crystal lattices structure of piezoelectric actuators , anti-hysteresis control software is developed .
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理论表明铁电相变过程涉及屏蔽电荷的激发及其在界面的缓慢扩散,以最后得出各个电畴内部的均匀自发极化。
The theory indicated that the process of ferroelectric phase transition was involved in the excitation of screen charges and their slow diffusion on the interface , till the homogeneous spontaneous polarization appears within each electric domain .
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晶粒尺寸对Al2O3/LiTaO3复合陶瓷中电畴结构的影响
Effect of grain sizes on domain structures in Al_2O_3 / LiTaO_3 composite ceramics
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利用SEAM技术对电畴结构的直接观察
Direct observation of domain structure by seam
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用TEM研究改性钛酸铅陶瓷电畴的结晶学特性
TEM Study on Crystallography characteristic of domains in SM and Mn modified lead titanate ceramics
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四方相PZT陶瓷极化后电畴在空间取向分布的测定
Determination of space distribution of domain orientation in polarized tetragonal PZT ceramics
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粗大晶粒PZT陶瓷中电畴的结构
Investigation of the ferroelectric domain of PZT ceramic
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Al2O3基陶瓷复合材料中LiTaO3颗粒内的电畴结构
Domain structures in litao_3 particles dispersed in al_2o_3 matrix ceramic composite
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一方面,高的矫顽场Ec使材料在极化过程中铁电畴无法充分转向,不利于提高压电性能;
On one hand , a high coercive field is disadvantageous to the sufficient reorientation of ferroelectric domains during electrical poling , generating a negative effect on piezoelectric properties .
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研究中,用PFM反转薄膜电畴,以研究铁电薄膜的疲劳性能。
PFM was utilized to investigate fatigue effect in ferroelectric thin films .
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退火温度对PLT铁电薄膜微结构和电畴的影响
Effects of Annealing Temperature on the Surface and Ferroelectric Domain of PLT Films
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硫酸三甘肽(TGS)晶体中电畴的观察
Observation of the ferroelectric domain in single crystals of triglycine sulphate
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利用液晶显示TGS晶体的周期性电畴结构
Visualization of Periodic Domain Structure in TGS Single Crystal by Liquid Crystals
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Ca(0.28)Ba(0.72)Nb2O6单晶中无公度调制结构、电畴结构与相变的TEM研究
TEM study of incommensurate modulation structure , domain structure and phase transition in ferroelectric Ca_ ( 0.28 ) Ba_ ( 0.72 ) Nb_2O_6 single crystals
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钨青铜型Ca(0.28)Ba(0.72)Nb2O6单晶中铁电畴结构及其演变的透射电镜研究
A TEM Study of 180 ° Ferroelectric Domains and Their Evolution in Ca_ ( 0.28 ) Ba_ ( 0.72 ) Nb_2O_6 Single Crystals of Tungsten Bronzes Structure
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通过PFM对PZT薄膜电畴结构的观察发现薄膜电畴结构与薄膜的结构取向关系密切。
By means of PFM , it was found that the ferroelectric domain was in relation to the microstructure of thin film .
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LiNbO3晶体中电畴对光学均匀性和电光效应的影响
Influences of electric domains on the optical homogeneity and electro-optic effect in LiNbO_3 crystals
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本文运用KA模型研究了铁电薄膜的电畴反转特性与外加电场强度以及温度的关系。
The dependence of domain reversal characteristics of the ferroelectric thin film on external electric field and temperature is investigated by using the KA model .
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利用热腐蚀法制备出用于环境扫描电镜(ESEM)研究反转电畴结构的样品。
The samples used for examining the reversal domain with ESEM were prepared by heat erosion .
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因此,对BNT铁电薄膜的电畴进行研究将有着十分重要的意义。
Therefore , it is necessary for us to investigate the domain of BNT ferroelectric film .
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PFM观察显示PLT薄膜中存在90°纳米带状畴,电畴的极化为首尾相接的低能量的排列方式,带状畴的宽度为20&60nm。
PFM observations show that there exist nanoscale banded 90 ° domain patterns 20 to 60 nm in width and low energy head-to-tail polarization configurations in PLT film .
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在外电场作用下BaTiO3单晶中铁电畴极化反转的透射电镜原位研究
In situ transmission electron microscopy study of domain switching in BaTiO_3 single crystal under external electric fields
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研究结果表明,BNT薄膜中的氧空位浓度是影响其晶粒尺寸的主要因素,它在电畴翻转的过程中也起着非常重要的作用,低的氧空位浓度有利于BNT薄膜电畴的翻转。
Results suggest that oxygen vacancy concentration plays a significant role in the grain size and domain switching , and low oxygen vacancy concentration is propitious to domain switching of BNT film .
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当样品受外电场刺激后,反向电畴的生长表现出自由弛豫规律,LATGS由顺电相冷却到铁电相的转变也遵循这个规律。
The growth of a domain in opposite direction in the crystals shows that the rule of free relaxation is valid , when the sample is stimulated by an applied field .
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扫描探针显微镜研究弛豫铁电体电畴生长
Scanning Probe Microscopy Study of the Domain Growth in Relaxor Ferroelectrics
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铁电陶瓷的电畴及畴变观测研究进展
Recent progress on observations of domain and domain switchings in ferroelectric ceramics
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铁电薄膜中的电畴研究进展
Latest Progress on Domains in Ferroelectric Thin Films
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电畴结构对表面波的影响
Effect of Domain Structure on Surface Wave
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电畴作为铁电薄膜材料中各种物理现象和过程的基础,直接决定或影响着铁电薄膜的物理性能及应用。
The domain is the physics foundation of the properties and applications for ferroelectric films .
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铁电体中电畴壁的经典行为
Classical behaviour of domain-wall in Ferroelectrics