Enhanced magnetoelectric properties in three-phase composites with 2-1-2 connectivity

Chee Sung Park, Cheolwoo Ahn, Shashank Priya

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Abstract

An investigation is reported on a 2-1-2 magnetoelectric (ME) laminate composite having Metglas/PZNT/Metglas configuration with ferrite pillars embedded in the PZNT phase. The piezoelectric layer with composition 0.2Pb(Zn1/3Nb2/3)O3-0.8Pb(Zr 0.5Ti0.5)O3 (PZNT) consisted of co-fired (Ni0.6Cu0.2Zn0.2)Fe2O3 (NCZF) pillars. The top and bottom Metglas layers in the sandwich structure had a thickness of 100 m, whereas the middle piezoelectric layer had thickness of 800 m. This 2-1-2 composite was found to exhibit a ME coefficient of the order of 352 mV/cm Oe. Interestingly, the performance of the 2-1-2 composite is 15% higher than that of conventional 2-2 laminate composite.

Original languageEnglish (US)
Pages (from-to)4443-4452
Number of pages10
JournalPhilosophical Magazine
Volume90
Issue number33
DOIs
Publication statusPublished - Nov 21 2010

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All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

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