Angular dependent magnetoelectric effect of La0.7Ba0.3MnO3(LBMO) embedded P(VDF-TrFE) particulate multiferroic nanocomposite

Magnetoelectric (ME) coupling properties of La 0.7 Ba 0.3 MnO 3 (LBMO)/P (VDF-TrFE) (0–3) nano-composite films were investigated for device-oriented application like magnetic sensors, actuators, energy harvesting devices etc., The LBMO nanoparticles were prepared by sol–gel auto combustion method. L...

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Bibliographic Details
Published in:Journal of materials science. Materials in electronics 2022-04, Vol.33 (11), p.8534-8541
Main Authors: Koner, Sougata, Deshmukh, Pratik, Karnal, A. K., Satapathy, S.
Format: Article
Language:English
Subjects:
Actuators
Characterization and Evaluation of Materials
Chemistry and Materials Science
Coupling coefficients
Energy harvesting
Ferroelectric materials
Ferroelectricity
Ferromagnetic materials
Magnetic domains
Magnetic fields
Magnetic properties
Magnetism
Materials Science
Nanocomposites
Nanoparticles
Optical and Electronic Materials
Polarization
Room temperature
Sol-gel processes
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Summary:Magnetoelectric (ME) coupling properties of La 0.7 Ba 0.3 MnO 3 (LBMO)/P (VDF-TrFE) (0–3) nano-composite films were investigated for device-oriented application like magnetic sensors, actuators, energy harvesting devices etc., The LBMO nanoparticles were prepared by sol–gel auto combustion method. LBMO/P (VDF-TrFE) nanocomposite film was prepared by solution casting method for 0.5% volume fraction of LBMO nanoparticles in P (VDF-TrFE) matrix. This nanocomposite film shows ferromagnetic and ferroelectric properties simultaneously at room temperature. The ME properties of these composite films were studied extensively. The ME coupling coefficient is highly dependent on the angle between ferroelectric polarization and applied magnetic field. The maximum measured in plane ME voltage coefficient α 31 V is found to be 121.5 mV cm −1 Oe −1 with application 25 Oe at 10 kHz by lock-in technique. The α 31 V is maximum at the angles 90° and 270° between ferroelectric polarization and applied magnetic field. The hysteresis of α 31 V confirms the existence of electric polarized domain formed with the decrease in magnetic field and the process is irreversible.
ISSN:0957-4522
1573-482X
DOI:10.1007/s10854-021-06440-1