Effect of gradient composite structure in cofired bilayer composites of Pb(Zr0.56Ti0.44)O3-Ni0.6Zn 0.2Cu0.2Fe2O4 system on magnetoelectric coefficient

Rashed Adnan Islam, Chuan Bing Rong, J. P. Liu, Shashank Priya

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

This study investigates the ferroelectric, ferromagnetic, and magnetoelectric properties of the cofired bilayer composites consisting of piezoelectric phase with formulation 0.9 Pb(Zr0.56Ti 0.44)O3-0.1 Pb[(Zn0.8/3Ni0.2/3) Nb2/3] + 2 (mol%) MnO2 and 40 mol% ferrite phase with formulation Ni0.6Zn0.2Cu0.2Fe2O 4 (NCZF). A bulk composite of the same composition was also synthesized for comparison. Scanning electron microscope (SEM) investigation using quadrant back scattering detector (QBSD) shows migration of ferrite phases through the interface and energy dispersive X-ray spectroscopy (EDX) analysis with X-ray mapping clarifying these as Cu-rich phases. Improved piezoelectric (d 33 ~ 80 pC/N), ferroelectric (polarization of 60 μC/cm 2 and 0.1% strain), higher magnetization (25 emu/g) and lower coercive field (2.8 Oe) were recorded for bilayer composite. The results indicate that the gradient bilayer composites with tailored composition such that the fraction of the secondary phase is higher may lead to better magnetoelectric material.

Original languageEnglish (US)
Pages (from-to)6337-6343
Number of pages7
JournalJournal of Materials Science
Volume43
Issue number18
DOIs
StatePublished - Sep 1 2008

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Composite structures
Composite materials
Ferroelectric materials
Ferrite
Chemical analysis
Magnetization
Electron microscopes
Scattering
Polarization
Detectors
Scanning
X rays

All Science Journal Classification (ASJC) codes

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

Cite this

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title = "Effect of gradient composite structure in cofired bilayer composites of Pb(Zr0.56Ti0.44)O3-Ni0.6Zn 0.2Cu0.2Fe2O4 system on magnetoelectric coefficient",
abstract = "This study investigates the ferroelectric, ferromagnetic, and magnetoelectric properties of the cofired bilayer composites consisting of piezoelectric phase with formulation 0.9 Pb(Zr0.56Ti 0.44)O3-0.1 Pb[(Zn0.8/3Ni0.2/3) Nb2/3] + 2 (mol{\%}) MnO2 and 40 mol{\%} ferrite phase with formulation Ni0.6Zn0.2Cu0.2Fe2O 4 (NCZF). A bulk composite of the same composition was also synthesized for comparison. Scanning electron microscope (SEM) investigation using quadrant back scattering detector (QBSD) shows migration of ferrite phases through the interface and energy dispersive X-ray spectroscopy (EDX) analysis with X-ray mapping clarifying these as Cu-rich phases. Improved piezoelectric (d 33 ~ 80 pC/N), ferroelectric (polarization of 60 μC/cm 2 and 0.1{\%} strain), higher magnetization (25 emu/g) and lower coercive field (2.8 Oe) were recorded for bilayer composite. The results indicate that the gradient bilayer composites with tailored composition such that the fraction of the secondary phase is higher may lead to better magnetoelectric material.",
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Effect of gradient composite structure in cofired bilayer composites of Pb(Zr0.56Ti0.44)O3-Ni0.6Zn 0.2Cu0.2Fe2O4 system on magnetoelectric coefficient. / Islam, Rashed Adnan; Rong, Chuan Bing; Liu, J. P.; Priya, Shashank.

In: Journal of Materials Science, Vol. 43, No. 18, 01.09.2008, p. 6337-6343.

Research output: Contribution to journalArticle

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T1 - Effect of gradient composite structure in cofired bilayer composites of Pb(Zr0.56Ti0.44)O3-Ni0.6Zn 0.2Cu0.2Fe2O4 system on magnetoelectric coefficient

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AU - Rong, Chuan Bing

AU - Liu, J. P.

AU - Priya, Shashank

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