偏氯乙烯共聚物的铁电行为

IF 1.3 4区物理与天体物理 Q4 PHYSICS, CONDENSED MATTER

Ferroelectrics Letters Section Pub Date : 2019-06-28 DOI:10.1080/07315171.2019.1647704

M. A. Barique, Y. Matsuda, Kazuma Matsuyama, S. Tasaka

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引用次数: 1

摘要

摘要研究了偏氯乙烯(VDC)与氯乙烯(VC)和丙烯酸甲酯(MA)的结晶共聚物的铁电行为。P(VDC/VC)共聚物在玻璃化转变温度以上观察到的D-E磁滞回线表明该共聚物具有铁电性。剩余极化在30 ~ 122 mC/m2之间，共聚物的热释电常数几乎稳定到熔点。FTIR和XRD结果表明，P(VDC/VC)共聚物的电行为是由VDC链中C-Cl偶极子在晶体区域的取向引起的，从而在高电场下形成极性结构。

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Ferroelectric behavior in vinylidene chloride copolymers

Abstract Ferroelectric behavior was observed in the crystalline copolymers of vinylidene chloride (VDC) with vinylchloride (VC) and with methylacrylate (MA). A D-E hysteresis loop for P(VDC/VC) copolymer observed at above its glass transition temperature indicates the ferroelectricity of this copolymer. The remanent polarization was between 30 and 122 mC/m2, and pyroelectric constants of the copolymers was stable up to almost their melting points. The results of FTIR and XRD suggested that the electric behaviors of P(VDC/VC) copolymers were caused by the orientation of C-Cl dipoles in VDC chains in the crystal region to form a polar structure in a high electric field.

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来源期刊

Ferroelectrics Letters Section 物理-物理：凝聚态物理

CiteScore

1.10

自引率

0.00%

发文量

审稿时长

4.8 months

期刊介绍： Ferroelectrics Letters is a separately published section of the international journal Ferroelectrics. Both sections publish theoretical, experimental and applied papers on ferroelectrics and related materials, including ferroelastics, ferroelectric ferromagnetics, electrooptics, piezoelectrics, pyroelectrics, nonlinear dielectrics, polymers and liquid crystals. Ferroelectrics Letters permits the rapid publication of important, quality, short original papers on the theory, synthesis, properties and applications of ferroelectrics and related materials.