Large linear anhysteretic magnetoelectric voltage coeficients in CoFe2O4/polyvinylidene ¿uoride 0–3 nanocomposites

Free-standing flexible magnetoelectric 0–3 composite films comprising CoFe2O4 non-spherical ferromagnetic nanoparticles with strong magnetic anisotropy in soft polyvinylidene fluoride matrices with significant void ratios have been prepared at low temperatures by solvent casting, melt crystallizatio...

Full description

Saved in:
Bibliographic Details
Main Authors Martins, Pedro, Moya, Xavier, Caparrós Vázquez, Cristina Maria, Fernández González, Javier, Mathur, N.D, Lanceros Méndez, Senentxu
Format Publication
LanguageEnglish
Published 06.07.2013
Subjects
Conducting polymers
Electroactive polymers
Enginyeria dels materials
Magnetoelectric
Materials plàstics i polímers
Polymer composites
Polímers conductors
Àrees temàtiques de la UPC
Online AccessGet full text

Cover

More Information
Summary:Free-standing flexible magnetoelectric 0–3 composite films comprising CoFe2O4 non-spherical ferromagnetic nanoparticles with strong magnetic anisotropy in soft polyvinylidene fluoride matrices with significant void ratios have been prepared at low temperatures by solvent casting, melt crystallization and mechanical stretching. Magnetoelectric voltage coefficients increase linearly with applied dc magnetic field bias up to 5 kOe. At this field, a maximum magnetoelectric voltage coef¿cient of 11.2 mV cm-1 Oe-1 was obtained for samples with 10 wt% ferrite at *50-kHz resonance. The observed linear magnetoelectric response is attributed to a linear gradient of magnetostriction with respect to magnetic field for H B 5 kOe.
ISSN:1388-0764