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Title: | Multiferroic properties of Ni₀.₅Zn₀.₅Fe₂O₄–Pb(Zr₀.₅₃Ti₀.₄₇)O₃ ceramic composites | Authors: | Zhang, H Or, DSW Chan, HLW |
Issue Date: | 15-Nov-2008 | 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. | Keywords: | Ball milling Composite materials Crystal microstructure Dielectric hysteresis Dielectric losses Dielectric polarisation Ferroelectric ceramics Ferroelectric Curie temperature Ferroelectricity Ferromagnetic materials Lead compounds Magnetic hysteresis Magnetic permeability Multiferroics Nanotechnology Nickel compounds Permittivity Remanence Sintering Slurries Sol-gel processing Surface morphology Zinc compounds |
Publisher: | American Institute of Physics | Journal: | Journal of applied physics | ISSN: | 0021-8979 | EISSN: | 1089-7550 | DOI: | 10.1063/1.3021349 | 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 http://jap.aip.org/resource/1/japiau/v104/i10/p104109_s1. |
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