Microstructure and dielectric characteristics of Ni ion doped BaTiO3 nanoparticles

被引：35

作者：

Jana, A.

Kundu, T. K. ^{[1
]}

机构：

[1] Visva Bharati Santiniketan, Dept Phys, Birbhum 731235, W Bengal, India

[2] Vidyasagar Univ, Dept Phys, Midnapore 721102, W Bengal, India

来源：

MATERIALS LETTERS | 2007年 / 61卷 / 07期

关键词：

nanoferroelectrics; BaTiO3; nanostructured materials;

D O I：

10.1016/j.matlet.2006.07.075

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this article, we report the effect of nickel oxide (NiO) addition on the microstructure and the dielectric properties of nano-barium titanate (BaTiO3) Nickel ion doped barium titanate nanoparticles have been synthesized through a chemical route using polyvinyl alcohol (PVA). The concentration of Ni2+ varies from 0 to 1.6 mol% in the specimens. The particle diameters in the specimen lie in the range of 24 nm to 35 nm. It is seen that the dielectric permittivity in doped specimens is enhanced compared to that of undoped BT ceramics. The dielectric permittivity shows maxima in the specimen containing 0.6 mol% of dopant concentration. The results are explained in terms of the change in lattice parameter c and a of the specimens. (c) 2006 Elsevier B.V All rights reserved.

引用

页码：1544 / 1548

页数：5

共 20 条

[1] Re-oxidation of Ni-MLCs [J].