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.

引用

页数：4

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