Large magnetoelectric coefficient in Co-fired Pb (Zr0.52Ti 0.48)O3-Pb (Zn1/3Nb2/3)O 3-Ni0.6Cu0.2Zn0.2Fe 2O4 trilayer magnetoelectric composites

Rashed Adnan Islam, Shashank Priya

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Microstructural, piezoelectric, dielectric, and magnetoelectric properties of laminated trilayer sintered magnetoelectric (ME) composite was analyzed. Powders of lead compounds (0.9 PZT-0.1PZN) and Ni0.6Cu 0.2Zn0.2Fe2O4 (NCZF) were synthesized using conventional mixed oxide method. Microstructural analysis of the sintered samples was done by a Zeiss Leo Smart Scanning Electron Microscopy (SEM) using polished and thermally etched samples. Dielectric constant measurements were performed using a HP 4284 LCR meter, and the ME voltage coefficient by a lock-in amplifier method. Experimental investigation showed that the piezoelectric phase had grain size of more than 1μmeter, while magnetoresistive phase had grain size of 3-5 μm. The observed ME coefficient can be further enhanced by reducing the macrodefects and optimization of ferrite to PZT thickness.

Original languageEnglish (US)
Pages (from-to)2072-2076
Number of pages5
JournalJournal of Materials Science
Issue number6
StatePublished - Mar 2008

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering


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