BaTiO_3-based ferroelectric materials,which are modified by the substitution of A-site or B-site ions,can potentially be applied in voltage-controlled tunable ceramic capacitors and microwave devices due to their excellent dielectric nonlinearity under DC electric fields.
通过A位或B位掺杂改性得到的钛酸钡基铁电材料,在外加直流偏置电场作用下,具有介电常数非线性可调的优异介电性能,可以广泛地应用于压控可调陶瓷电容器和微波可调器件领域。
Based on lots of research achievements and experimental data,ferroelectric material and devices exhibit good properties under nuclear radiation conditions.
大量研究结果和实验数据显示,铁电材料与器件具有极强的抗辐射能力,在军事和空间领域具有广阔的应用前景,因此铁电材料及其器件的抗辐射能力与机理研究日益受到关注。
The ion etching reticulation is very diffcult for ferroelectric materials due to thickness limitation as well as narrow distance between pixels.
因此,为实现热释电非制冷焦平面探测器的网格化,减小热串音,提高器件的空间分辨率,采用了一套基于PID微机控制技术的激光化学辅助刻蚀系统对铁电材料进行了网格化刻蚀,较好地解决了大列阵铁电材料探测器的网状技术这一难题。
Domain switching is the main source of nonlinear characteristics in ferroelectrics.
建立具有钙钛矿结构铁电材料的基本电畴结构类型及电畴反转系的表示方法;将电畴反转类似为晶体塑性理论的位错运动,采用内时理论的类似方法,提出一个较简便的电畴体积分数的演化方程,能综合考虑到反转驱动力、180和90反转的不同形式、电畴体积分数及反转的变形历史等对反转的影响。
An analogy is drawn between the slip system of dislocation in metals and domain wall movement in ferroelectrics.
铁电材料是一类典型的非线性材料。
Automatic Voltage-decaying Circuit Used in System for Measuring Ferroelectric Materials;
铁电材料测试系统用电压自动衰减电路
A System for Measuring the Ferroelectric Materials Electrical Parameters by Digital Osciloscope;
基于数字示波器的铁电材料参数测试系统
Ferroelectric material is of good ferroelectricity,piezoelectricity,pyroelectricity and nonlinear optics etc,and it has become one of the active research fields of high and new technology materials,which makes the study of ferroelectric materials develop into practice.
铁电材料具有良好的铁电性、压电性、热释电性以及非线性光学等特性,是当前国际高新技术材料中非常活跃的研究领域之一,其研究热点正向实用化发展。
These materials include high magnetic moment Fe N compound,NdFeB permanent magnetic material with high maximum magnetic energy product, colossal magnetoresistance material, high power Mn Zn ferrite magnetic material, new Invar magnetic material and ferroelectric antiferromagnetic material.
这些材料包括高磁矩Ｆｅ－Ｎ化合物，高最大磁能积ＮｄＦｅＢ永磁材料，庞磁电阻材料，Ｍｎ－Ｚｎ铁氧体大功率材料，新的Ｉｎｖａｒ磁性材料和铁电反铁磁材
BiFeO_3 is a typical ferroelectromagnetics,it has attracted extensive attention for its coexistance of mag- netism and ferrelectrieity at room temperature and intensive application in new type memory devices and spintronics devices in the future.
BiFeO_3是一种典型的铁磁电材料,因为室温下共存的铁电性与磁性以及在新型存储器件,自旋电子器件方面都有着广泛的应用前景使其受到了广泛的关注。
Basic Researches on the Ferroelectrics for the Non-volatile Random Access Memories;
FRAM铁电材料的微结构与电性能研究
Study on the Preparation and Properties of Light Recording and Ferroelectric Materials;
光记录材料与铁电材料的制备与性能研究
Analysis on Ferroelectric Properties of Bismuth-layer Ferroelectrics by Phase Field Theory;
铋层状铁电材料铁电性能的相场理论分析
Propagation and Environmental Propagation of the Indentation Crack of Ferroelectric Materials;
铁电材料压痕裂纹的开裂与环境开裂
Investigation on the Barium Strontium Titanate Microwave Ferroelectric Materials with Modifying Elements;
钛酸锶钡微波铁电材料掺杂改性研究
RESEARCH ON PREPARATION AND PROPERTIES OF SBTV FERROELECTRIC MATERIALS
SBTV铁电材料的制备及其性能的研究
Research Progress of Lead-free Ferroelectric BaTi_2O_5
无铅铁电材料-BaTi_2O_5的研究进展
Ferro-Voltage Electric Material and Element
铁电压电材料与器件
Research Progress in Piezoelectric,Ferroelectric,Dielectric and Multiferroic Properties of ZnO Based Materials
ZnO基材料的压电、铁电、介电与多铁性质研究进展
Techniques for Measuring the Electromagnetic Parameters of Ferroelectric Materials with High Permittivity;
铁电体材料高介电常数测试技术研究
Pyroelectric Properties of the Ferroelectric-Polymer Composite;
铁电-聚合物颗粒复合材料的热电性质
Research on Magnetoelectric Effect of Ferromagnetic Alloy/Piezoelectric Composite Material
铁磁合金/压电材料复合磁电效应研究
Study on the Ferroelectric Material BST Used in the Phase Shifter of Phased-array Radar;
相控阵雷达铁电移相器BST材料研究
The Magnetic-field-induced Electric Polarization Flop in Multiferroics;
多铁性材料中磁场感应的电极化翻转
Study on LiFePO_4 as Cathode Materials for Li-ion Batteries;
锂离子电池正极材料磷酸铁锂的研究
On Metal Organic Photoelectric-Magnetic Functional Materials with Ferro-cenyl;
含二茂铁基金属有机光、电、磁功能材料
Study on Doping Effect of Lead Zirconate Titanate Ferroelectric Ceramics
PZT体系铁电陶瓷材料的掺杂改性研究
A study of Nd-Fe-B material machined by the electrospark wire-electrode cutting
电火花线切割加工钕铁硼材料的研究