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Title: Multiferroic properties of Ni₀.₅Zn₀.₅Fe₂O₄–Pb(Zr₀.₅₃Ti₀.₄₇)O₃ ceramic composites
Authors: Zhang, Hongfang
Or, Derek Siu-wing
Chan, Helen L. W.
Subjects: Ball milling
Composite materials
Crystal microstructure
Dielectric hysteresis
Dielectric losses
Dielectric polarisation
Ferroelectric ceramics
Ferroelectric Curie temperature
Ferromagnetic materials
Lead compounds
Magnetic hysteresis
Magnetic permeability
Nickel compounds
Sol-gel processing
Surface morphology
Zinc compounds
Issue Date: 15-Nov-2008
Publisher: American Institute of Physics
Source: Journal of applied physics, 15 Nov. 2008, v. 104, no. 10, 104109, p. 1-6.
Abstract: We present a powder-in-sol precursor hybrid processing route to synthesize dense, homogenous, and fine-grained Ni₀.₅Zn₀.₅Fe₂O₄–Pb(Zr₀.₅₃Ti₀.₄₇)O₃ (NZFO–PZT) multiferroic ceramic composites and report their ferromagnetic-ferroelectric characteristics. Nanosized NZFO ferromagnetic powders are dispersed into PZT ferroelectric sol-gel precursor and uniformly distributed slurry is prepared by ball-milling mixing of the powder-precursor suspension prior to be sintered at low temperatures to form the composites. The composites show simultaneous effects of ferromagnetism and ferroelectricity at room temperature with excellent magnetic and dielectric properties for frequencies over 10 MHz. The coexistence of inductive and capacitive natures in the composites favors size reduction and design simplification in many passive electronic devices such as integrated filters and microwave absorbers.
Rights: © 2008 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in H.F. Zhang, S.W. Or & H.L.W. Chan, J. Appl. Phys. 104, 104109 (2008) and may be found at
Type: Journal/Magazine Article
DOI: 10.1063/1.3021349
ISSN: 0021-8979 (print)
1089-7550 (online)
Appears in Collections:AP Journal/Magazine Articles
EE Journal/Magazine Articles

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