Nucleation of electroactive β-phase poly(vinilidene fluoride) with CoFe2O4 and NiFe2O4 nanofillers: a new method for the preparation of multiferroic nanocomposites

被引：180
作者：
Martins, P. [1 ]
Costa, C. M. [2 ]
Lanceros-Mendez, S. [1 ]
机构：
[1] Univ Minho, Ctr Dept Fis, P-4710057 Braga, Portugal
[2] CeNTI Ctr Nanotechnol & Smart Mat, P-4760034 Vila Nova De Famalicao, Portugal
来源：
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 2011年 / 103卷 / 01期
关键词：
POLY(VINYLIDENE FLUORIDE); MAGNETOELECTRIC PROPERTIES; ALPHA-PHASE; CRYSTALLIZATION; TRANSFORMATION;
D O I：
10.1007/s00339-010-6003-7
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Multiferroic and magnetoelectric materials show enormous potential for technological developments. Multiferroic composites are more attractive for applications due to their enhanced properties with respect to single-phase multiferroic materials. In this paper we report on the nucleation of the electroactive beta-phase of poly(vinylidene fluoride), PVDF, by the addition of CoFe2O4 and NiFe2O4 nanoparticles in order to prepare poly(vinylidene fluoride)/ferrite nanocomposite for multiferroic and magnetoelectric applications,. The dispersed ferrite nanofiller particles strongly enhance the nucleation of the beta-phase of the polymer matrix. In this way, magnetoelectric polymer nanocomposites can be processed avoiding the usual alpha- to beta-phase transformation by stretching of the polymer matrix.
引用
收藏
页码：233 / 237
页数：5
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