这一改进使用了铁电层，从而不再需要使用传统DRAM单元中的存储电容。
The improvements stem from using ferroelectric layers that no longer requires the use of a storage capacitor found in conventional DRAM cells.
铁电材料的极化机制包括：位移极化，转向极化。
The polarization mechanism of ferroelectric materials includes displacement polarization and turning-direction polarization.
就在不久之前，科学家们还以为有关铁电材料的性能，他们已经研究得差不多了。
Up until recently, researches thought they had the behaviors of ferroelectric materials mostly figured out.
本文对复合钙钛矿弛豫铁电陶瓷的理论、材料及应用研究进展作了简要综述。
The progress of research on the theories, materials and applications of complex perovskite ferroelectric relaxor ceramics was reviewed briefly.
在铁电陶瓷中发现的长时间自由弛豫效应也出现于单晶体中。
The long-term free relaxation effects found in ferroelectric ceramics appear also in single crystals.
最后简要地指出了铁电薄膜的理论与应用研究的前景。
Finnlly, it is concisely pointed out the prospects of ferroelectric thin film study and applications.
本文对酯类铁电液晶的相变和构型进行了研究和评述。
Phase transitions and conformations in ester ferroelectric liquid crystal have been investigated and reviewed in this report.
在这些应用中，制备供集成铁电薄膜的优质底电极就显得尤为重要。
In these applications, it is essential to fabricate high quality ferroelectric thin films on proper electrode materials, such as conductive oxides.
依据传统的铁电材料的P -E特性建模的方法，引入电压影响因子，得到了更为适合的P -V特性的新模型。
According to the traditional ferroelectric material P-E characteristics, introduces factors coming from voltage, more suitable P-V characteristics can be gained.
采用ICP—AES法准确、快速地测定电锌中的铝、铅、铜、镉、铁、锡等微量元素，并对方法的准确度和精密度进行了检验。
The Al, Pb, Cu, Cd, Fe, Sn etc trace element in the electrolytic zinc were accurately and quickly measured by using ICP-AES method.
在这些器件的制作过程中，铁电薄膜的微图形化是非常重要的一环。
In the preparing process of these devices, the micropatterning of ferroelectric thin films is very important.
实验研究表明，铁电陶瓷的高频介电弛豫主要是由材料内部的畴壁共振引起的。
The results indicate that high frequency dielectric relaxation of the ferroelectric ceramics is caused by piezoelectric resonance of domains.
作为铁电电容的电极材料，铂是使用最为广泛的金属。
Pt has been widely used for the electrode materials of ferroelectric capacitors.
本文就纳米尺度铁电畴的扫描力显微镜的成像原理的研究进展作一综述。
This review is involved with the latest progress in the imaging principle of nanoscale ferroelectric domain via SFM.
钛酸铅系材料具有优异的压电、铁电和热释电性能，是智能材料系统中的主导材料。
Lead titanate series materials present excellent piezoelectricity, ferroelectricity and pyroelectric performance, and have been widely used in intelligent material system.
此外，随退火温度升高，铁电薄膜的自发极化强度先增强后减弱。
The spontaneous polarization of ferroelectric films was strengthened and then weakened with the increasing of annealing temperature.
这些功能元件可采用透明铁电陶瓷材料的电光效应来实现。
These functional devices can be realized by using electro-optical effect of transparent ferroelectric ceramic materials.
在铁电不挥发存储器(FERAM)技术中，集成铁电电容的制备是关键工艺之一。
For fabricating the nonvolatile ferroelectric memories (FERAM), one of the keys is to make the integrated ferroelectric capacitors.
文中介绍了铁电发射原理、影响因素、特点以及铁电陶瓷的制备方法。
The theory, affecting factors, specialties of ferroelectric emission and preparations of ferroelectric ceramics are introduced.
在朗道相变理论的框架内，我们推导了铁电临界尺寸的表示式。
In the framework of the Landau theory of phase transition, we derived an expression of the ferroelectric critical size.
PS T铁电薄膜是一种具有优良铁电、热释电和介电等性能的铁电材料。
PST thin films are ferroelectric materials with many advantages such as excellent ferroelectric, pyroelectric and dielectric properties.
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.
利用配有电压自动衰减电路的铁电材料测试系统测量了PZT铁电体材料样品的电滞回线。
The PZT ferroelectric slice sample was measured by the system with the automatic voltage-decaying circuit, and hysteresis loops of the sample was exhibited.
本文用朗道自由能展开研究了有电畴的铁电薄膜的相变特性。
The phase transition characteristics of ferroelectric films with domain structure were studied using Landau free energy expansion.
作者结合自己的研究工作，介绍了铁电多层膜和铁电超晶格的研究现状和进展。
Based on author's own research work, the present status and development of ferroelectric multilayered thin films and ferroelectric superlattices were briefly reviewed.
推导出描述铁电电容电气特性的新模型。
A new model is developed for describing the electrical behavior of ferroelectric capacitors.
推导出描述铁电电容电气特性的新模型。
A new model is developed for describing the electrical behavior of ferroelectric capacitors.
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