Enhancement of electrostrictive and magnetic performance with high energy storage efficiency in Fe2O3 nanoparticles-modified Ba(Zr0.07Ti0.93)O3 multiferroic ceramics

•The 93BZT/xFe2O3 ceramics were prepared by a solid-state reaction method.•Large Smax = 0.38 %,d*33 = 580 pm/V were observed for the 0.5 mol% ceramic.•The 0.5 mol% ceramic has giant electrostrictive coefficient (Q33 = 0.0546 m4/C2).•The 1.0 mol% Fe2O3 ceramic shows the highest W = 0.31 J/cm3 and η =...

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Published in:Materials science & engineering. B, Solid-state materials for advanced technology Solid-state materials for advanced technology, 2022-03, Vol.277, p.115579, Article 115579
Main Authors: Jarupoom, Parkpoom, Jaita, Pharatree, Sweatman, Denis Russell, Watcharapasorn, Anucha, Rujijanagul, Gobwute
Format: Article
Language:English
Subjects:
Ceramics
Dielectric
Electric fields
Electrostriction
Electrostrictive coefficient
Energy storage
Energy storage efficiency
Ferric oxide
Ferroelectricity
Hysteresis loops
Lead free
Magnetic
Mixed oxides
Nanoparticles
Piezoelectric
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Summary:•The 93BZT/xFe2O3 ceramics were prepared by a solid-state reaction method.•Large Smax = 0.38 %,d*33 = 580 pm/V were observed for the 0.5 mol% ceramic.•The 0.5 mol% ceramic has giant electrostrictive coefficient (Q33 = 0.0546 m4/C2).•The 1.0 mol% Fe2O3 ceramic shows the highest W = 0.31 J/cm3 and η = 98%.•An improvement of magnetic are observed for the higher additive (0.5–1.0 mol%). Lead-free Ba(Zr0.07Ti0.93)O3/xFe2O3 (93BZT/xFe2O3, x  = 0-1.0 mol%) ceramics were prepared using a conventional mixed oxide method. The Fe2O3 nanoparticles additive disturbed the long-range ferroelectric order of the ceramics by changing the normal P-E hysteresis loop for the unmodified ceramic into a constricted loop for the 0.5 mol % Fe2O3 ceramic thereby resulting in an enhancement of the electric field-induced strain and electrostrictive coefficient at this composition. The 1.0 mol% Fe2O3 ceramic showed the highest energy storage efficiency (98%). The M-H hysteresis loop and the magnetocapacitance value were improved by the Fe2O3 nanoparticles additive. Results indicated that the magnetic and electrical performances of Ba(Zr0.07Ti0.93)O3 modified by the Fe2O3 nanoparticle could be remarkably improved, thereby suggesting that this ceramic system has potentials for multifunction device applications.
ISSN:0921-5107
1873-4944
DOI:10.1016/j.mseb.2021.115579