Journal
CERAMICS INTERNATIONAL
Volume 40, Issue 4, Pages 5853-5860Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2013.11.027
Keywords
Solid state reaction; Permeability; Dielectric constant; Curie temperature; Magnetoelectric effect
Categories
Funding
- National Natural Science Foundation of China [51372148, 51172138]
- Innovation Funds of Graduate Programs, Shaanxi Normal University [2013CXS008]
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Magnetoelectric composite ceramics of spinel ferrite Ni0.5Zn0.5Fe2O4 (NZFO) with high magnetic permeability and tetragonal perovskite Pb (Zr0.48Ti0.52)O-3 (PZT) with high piezoelectric constant were synthesized by common solid state reaction method. XRD and SEM showed that high dense composite ceramics without any foreign phases were obtained. The ceramics showed excellent dielectric and magnetic properties, which were stable in a large frequency range. The dielectric peak became wider with the ferrite content in the permittivity spectrum with temperature. With the increase in the ferrite content, the magnetic Curie temperature shifted to higher temperature and closed to that of the pure ferrite. In addition, the magnetoelectric coefficient enhanced as the increase in the ferrite content. The properties of the composite ceramics could be adjusted by the ferrite content. These research results provided a powerful experimental basis for the sensor and transducer in microelectronic and microwave devices. (C) 2013 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
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