Magnetoelectric properties of core-shell particulate nanocomposites

被引：26
|
作者：
Islam, Rashed A. [1 ]
Bedekar, Vishwas [1 ]
Poudyal, Narayan [2 ]
Liu, J. Ping [2 ]
Priya, Shashank [3 ]
机构：
[1] Univ Texas Arlington, Dept Mat Sci & Engn, Arlington, TX 76019 USA
[2] Univ Texas Arlington, Dept Phys, Arlington, TX 76019 USA
[3] Virginia Tech, Blacksburg, VA 24061 USA
来源：
JOURNAL OF APPLIED PHYSICS | 2008年 / 104卷 / 10期
关键词：
grain size; lead compounds; magnetoelectric effects; nanocomposites; nickel compounds; permittivity; piezoelectricity; sintering;
D O I：
10.1063/1.3013437
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
In this study, we report results on magnetoelectric (ME) core-shell Pb(Zr,Ti)O-3 (PZT)-NiFe2O4 (NF) particulate nanocomposites. NF particles forming the shell had size in range of 20-30 nm. The grain size of sintered nanocomposites was found to be in the range of 500-800 nm. The sintered nanocomposite exhibited piezoelectric coefficient (d(33)) of 60 pC/N, dielectric constant of 865, and ME coefficient of 195 mV/cm Oe. High ME coefficient was observed for wide range of dc bias magnetic field. This approach of fabricating layered composite has a promise to provide large ME coefficients in particulate sintered structures.
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页数：4
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