Effect of external electric field on the grain growth of barium titanate in N2 atmosphere

Hong Ri Jin; Seok Hyun Yoon; Jong Heun Lee; Nong M. Hwang; Doh Yeon Kim; Joo Hwan Han

doi:10.1007/s10854-005-4978-1

Effect of external electric field on the grain growth of barium titanate in N₂ atmosphere

Hong Ri Jin, Seok Hyun Yoon, Jong Heun Lee, Nong M. Hwang, Doh Yeon Kim, Joo Hwan Han

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

6 Citations (Scopus)

Abstract

The effect of dc electric field upon the spatial variation of microstructure during the sintering of BaTiO₃ in a N₂ atmosphere was investigated. When BaTiO₃ specimens were heat-treated in a N₂ atmosphere at 1350 °C under an electric field, grain growth was enhanced at the positive-biased region for a 0.5 mol% Nb-doped specimen, while it was promoted at the negative-biased region for a 3.0 mol% Nb-doped specimen. The grain growth behavior at both the positive and negative-biased region was similar for a 1.0 mol% Nb-doped specimen. The results have been explained mainly in terms of the boundary potential, which varies with the donor concentration, and the oxygen partial pressure of the surrounding atmosphere.

Original language	English
Pages (from-to)	749-752
Number of pages	4
Journal	Journal of Materials Science: Materials in Electronics
Volume	16
Issue number	11-12
DOIs	https://doi.org/10.1007/s10854-005-4978-1
Publication status	Published - 2005 Nov

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Condensed Matter Physics
Electrical and Electronic Engineering

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@article{18e85e8ecd0342ae9783e7c01042f2e9,

title = "Effect of external electric field on the grain growth of barium titanate in N2 atmosphere",

abstract = "The effect of dc electric field upon the spatial variation of microstructure during the sintering of BaTiO3 in a N2 atmosphere was investigated. When BaTiO3 specimens were heat-treated in a N2 atmosphere at 1350 °C under an electric field, grain growth was enhanced at the positive-biased region for a 0.5 mol% Nb-doped specimen, while it was promoted at the negative-biased region for a 3.0 mol% Nb-doped specimen. The grain growth behavior at both the positive and negative-biased region was similar for a 1.0 mol% Nb-doped specimen. The results have been explained mainly in terms of the boundary potential, which varies with the donor concentration, and the oxygen partial pressure of the surrounding atmosphere.",

author = "Jin, {Hong Ri} and Yoon, {Seok Hyun} and Lee, {Jong Heun} and Hwang, {Nong M.} and Kim, {Doh Yeon} and Han, {Joo Hwan}",

note = "Funding Information: This work was supported by Creative Research Initiatives Program of Korea Ministry of Science and technology. Copyright: Copyright 2008 Elsevier B.V., All rights reserved.",

year = "2005",

month = nov,

doi = "10.1007/s10854-005-4978-1",

language = "English",

volume = "16",

pages = "749--752",

journal = "Journal of Materials Science: Materials in Electronics",

issn = "0957-4522",

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TY - JOUR

T1 - Effect of external electric field on the grain growth of barium titanate in N2 atmosphere

AU - Jin, Hong Ri

AU - Yoon, Seok Hyun

AU - Lee, Jong Heun

AU - Hwang, Nong M.

AU - Kim, Doh Yeon

AU - Han, Joo Hwan

PY - 2005/11

Y1 - 2005/11

N2 - The effect of dc electric field upon the spatial variation of microstructure during the sintering of BaTiO3 in a N2 atmosphere was investigated. When BaTiO3 specimens were heat-treated in a N2 atmosphere at 1350 °C under an electric field, grain growth was enhanced at the positive-biased region for a 0.5 mol% Nb-doped specimen, while it was promoted at the negative-biased region for a 3.0 mol% Nb-doped specimen. The grain growth behavior at both the positive and negative-biased region was similar for a 1.0 mol% Nb-doped specimen. The results have been explained mainly in terms of the boundary potential, which varies with the donor concentration, and the oxygen partial pressure of the surrounding atmosphere.

AB - The effect of dc electric field upon the spatial variation of microstructure during the sintering of BaTiO3 in a N2 atmosphere was investigated. When BaTiO3 specimens were heat-treated in a N2 atmosphere at 1350 °C under an electric field, grain growth was enhanced at the positive-biased region for a 0.5 mol% Nb-doped specimen, while it was promoted at the negative-biased region for a 3.0 mol% Nb-doped specimen. The grain growth behavior at both the positive and negative-biased region was similar for a 1.0 mol% Nb-doped specimen. The results have been explained mainly in terms of the boundary potential, which varies with the donor concentration, and the oxygen partial pressure of the surrounding atmosphere.

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JO - Journal of Materials Science: Materials in Electronics

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