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- Title
Dielectric and magnetoelectric properties of co-fired PbZrTiO-CoZnMnFeO-PbZrTiO trilayer composites.
- Authors
Gupta, Arti; Tandon, R.
- Abstract
In this paper we report the dielectric and magnetoelectric (ME) properties of co-fired PbTiO-CoZnMnFeO-PbZrTiO (PZT-CZFMO-PZT) trilayer composites prepared using Mn and Zn simultaneously substituted CoFeO (CoZnMnFeO) as a magnetostrictive phase. For PZT-CZFMO-PZT composites, the maximum values of longitudinal and transverse ME voltage coefficient ( α and α) were observed to be comparable in magnitude contrary to the usual trend ( α much greater than α) for ME composite structures. The highest transverse ME voltage coefficient α ~64 mV/cm Oe (at an applied ac magnetic field of frequency ~1 kHz) was obtained for the composite containing the thickest layer of CZFMO. The dielectric constant spectra for PZT-CZFMO-PZT composites demonstrated very high values of resonance frequency (~47-81 MHz) and band width (~9-13 MHz).
- Subjects
COMPOSITE materials; ELECTRIC properties; MAGNETIC properties of manganese compounds; ELECTRIC properties of zinc; DIELECTRIC properties; MAGNETOELECTRIC effect
- Publication
Journal of Materials Science: Materials in Electronics, 2014, Vol 25, Issue 9, p4074
- ISSN
0957-4522
- Publication type
Article
- DOI
10.1007/s10854-014-2131-8