A new (Ba, Ca) (Ti, Zr)O3 based multiferroic composite with large magnetoelectric effect

The lead-free ferroelectric 0.5Ba(Zr 0.2 Ti 0.8 )O 3 − 0.5(Ba 0.7 Ca 0.3 )TiO 3 (BCZT) is a promising component for multifunctional multiferroics due to its excellent room temperature piezoelectric properties. Having a composition close to the polymorphic phase boundary between the orthorhombic and...

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Bibliographic Details
Published in:Scientific reports 2016-08, Vol.6 (1), p.32164-32164, Article 32164
Main Authors: Naveed-Ul-Haq, M., Shvartsman, Vladimir V., Salamon, Soma, Wende, Heiko, Trivedi, Harsh, Mumtaz, Arif, Lupascu, Doru C.
Format: Article
Language:English
Subjects:
639/301/1005
639/301/119
Ceramics
Composite materials
Humanities and Social Sciences
Lead
multidisciplinary
Phase transitions
Science
Temperature
Temperature effects
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Summary:The lead-free ferroelectric 0.5Ba(Zr 0.2 Ti 0.8 )O 3 − 0.5(Ba 0.7 Ca 0.3 )TiO 3 (BCZT) is a promising component for multifunctional multiferroics due to its excellent room temperature piezoelectric properties. Having a composition close to the polymorphic phase boundary between the orthorhombic and tetragonal phases, it deserves a case study for analysis of its potential for modern electronics applications. To obtain magnetoelectric coupling, the piezoelectric phase needs to be combined with a suitable magnetostrictive phase. In the current article, we report on the synthesis, dielectric, magnetic and magnetoelectric characterization of a new magnetoelectric multiferroic composite consisting of BCZT as a piezoelectric phase and CoFe 2 O 4 (CFO) as the magnetostrictive phase. We found that this material is multiferroic at room temperature and manifests a magnetoelectric effect larger than that of BaTiO 3 −CoFe 2 O 4 bulk composites with similar content of the ferrite phase.
ISSN:2045-2322
2045-2322
DOI:10.1038/srep32164