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

doi:10.1007/s10853-008-2912-7

Effect of gradient composite structure in cofired bilayer composites of Pb(Zr_0.56Ti_0.44)O₃-Ni_0.6Zn _0.2Cu_0.2Fe₂O₄ system on magnetoelectric coefficient

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

Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

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Abstract

This study investigates the ferroelectric, ferromagnetic, and magnetoelectric properties of the cofired bilayer composites consisting of piezoelectric phase with formulation 0.9 Pb(Zr_0.56Ti _0.44)O₃-0.1 Pb[(Zn_0.8/3Ni_0.2/3) Nb_2/3] + 2 (mol%) MnO₂ and 40 mol% ferrite phase with formulation Ni_0.6Zn_0.2Cu_0.2Fe₂O 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 language	English (US)
Pages (from-to)	6337-6343
Number of pages	7
Journal	Journal of Materials Science
Volume	43
Issue number	18
DOIs	https://doi.org/10.1007/s10853-008-2912-7
State	Published - Sep 2008

All Science Journal Classification (ASJC) codes

Mechanics of Materials
Ceramics and Composites
Mechanical Engineering
Polymers and Plastics
General Materials Science
Materials Science (miscellaneous)

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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.",

author = "Islam, {Rashed Adnan} and Rong, {Chuan Bing} and Liu, {J. P.} and Shashank Priya",

note = "Funding Information: Acknowledgements The authors thank the Department of Energy and Army Research Office for supporting this research. The author (S.P.) also thanks D. Viehland for helpful discussion.",

year = "2008",

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doi = "10.1007/s10853-008-2912-7",

language = "English (US)",

volume = "43",

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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

AU - Islam, Rashed Adnan

AU - Rong, Chuan Bing

AU - Liu, J. P.

AU - Priya, Shashank

N1 - Funding Information: Acknowledgements The authors thank the Department of Energy and Army Research Office for supporting this research. The author (S.P.) also thanks D. Viehland for helpful discussion.

PY - 2008/9

Y1 - 2008/9

N2 - 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.

AB - 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(Zr_0.56Ti_0.44)O₃-Ni_0.6Zn _0.2Cu_0.2Fe₂O₄ system on magnetoelectric coefficient

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