The observations of lattice vibrations are mainly on the ferroelectric phase.
晶格振动的观察主要集中在铁电相。
The recent progress in studies of the ferroelectric phase transition and relaxor characteristics of Na_ 0.
基无铅铁电材料在铁电相变和弛豫特性方面近年来国内外的研究进展。
These experimental results evidence a low temperature ferroelectric -ferroelectric phase transition in these crystals.
这些实验结果证明，该晶体存在低温铁电-铁电相变。
The thermally stimulated currents (TSC) and the ferroelectric phase transition of the ferroelectric ultrafine grain were investigated.
研究了铁电微晶粉粒的热刺激电流及其铁电相变。
The TSC curves of BaTiO3 powder with silicone oil showed apparently a peak with relation to ferroelectric phase transition, which depends on the size of powder.
钛酸钡粉粒与硅油的混合物有很明显的热刺激电流(tsc)且表现出和铁电相变有关的明显的峰，显示出与粒径存在一定的关系；得出了样品的表观极化强度曲线。
The major phase constituent obviously transforms from cubic paraelectric phase to tetragonal ferroelectric phase after sintering, in which the ferroelectric domains exist.
烧结前后陶瓷相结构明显改变，由原来的立方顺电相为主转变为四方铁电相为主，并存在铁电畴亚结构；
Dielectric and pyroelectric measurements reveal that SCNN crystal has a low temperature ferroelectric-ferroelectric phase transition and the temperature range of the transition is above 85k.
介电和热电测量结果证实了SCNN晶体存在低温铁电-铁电相变，其相变温度在85k以上。
On the basis of these new experimental results and the crystal structure data in literature, we suggest that the ferroelectric phase transition in LiTaO3 may have an order-disorder character.
根据这个新的实验结果和文献上关于用中子衍射测定的晶体结构资料，我们做出了钽酸锂的铁电相变为有序无序型的推论。
Phase transitions and conformations in ester ferroelectric liquid crystal have been investigated and reviewed in this report.
本文对酯类铁电液晶的相变和构型进行了研究和评述。
The transitional phase appeared when two ferroelectric powders with different Curie point were mixed and sintered together.
具有不同居里点的两种铁电体粉末在共烧时会产生过渡相。
In the framework of the Landau theory of phase transition, we derived an expression of the ferroelectric critical size.
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。
Novel relaxor ferroelectric single crystal lead magnesium niobate-lead titanate (PMNT) has been found to exhibit excellent piezoelectric properties near the morphotropic phase boundary (MPB).
新型弛豫铁电单晶铌镁酸铅—钛酸铅(PMNT)在准同型相界(MPB)附近具有非常优异的压电性能。
The results showed that the PST thin films would possess the perovskite phase and excellent ferroelectric properties with proper technology.
结果表明，选择合适的工艺条件可以制备铁电性能优良的钙钛矿相p ST薄膜。
The phase transition characteristics of ferroelectric films with domain structure were studied using Landau free energy expansion.
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。
In the beginning of this paper, background of ferroelectrics, main research methods of ferroelectric film, research status of ferroelectric film and BaTiO3 crystal phase transition are introduced.
另外，在本文的开始部分，介绍了铁电材料的研究背景，铁电薄膜的主要研究方法，国内外对铁电薄膜的研究现状以及钛酸钡晶体的相变过程和铁电性质等。
The polymerisation of the monomer is carried out by UV curing the mixture when it was kept in a specific phase which can be obtained by controlling the temperature of the ferroelectric liquid crystal.
单体的聚合通过维持该混合物处在一定的液晶态的条件下经紫外线固化来完成。
The polymerisation of the monomer is carried out by UV curing the mixture when it was kept in a specific phase which can be obtained by controlling the temperature of the ferroelectric liquid crystal.
单体的聚合通过维持该混合物处在一定的液晶态的条件下经紫外线固化来完成。
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