Grain boundary engineering for improving conductivity of polycrystalline SrTiO3

Wei Lung Tzeng, Hung Wei Yen, Wen Chin Lin, Shao Ju Shih

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The present paper reports the conductivity enhancement of strontium titanate (SrTiO3) using grain boundary engineering (GBE). In grain boundaries (GBs), Σ3 GBs have superior electrical properties to general GBs. Although many studies have focused on increasing the population of Σ3 GBs, the increase in the Σ3 GB population was limited mainly because the previous studies did not provide an efficient method for orienting grains (e.g., inhibition of abnormal grain growth). This study attempts to manipulate nanocrystal planes of SrTiO3 starting powders by using additives of acetic acid and citric acid. Using citric acid both populations of (111) surfaces and Σ3 GB are increased. Furthermore, our conductivity measurement indicated that the higher the Σ3 GB population the more favorable the conductivity. In summary, the findings of this study opened new possibilities for increasing the conductivity of GBE.

Original languageEnglish
Pages (from-to)2361-2367
Number of pages7
JournalCeramics International
Volume43
Issue number2
DOIs
Publication statusPublished - 2017 Feb 1

Fingerprint

Grain boundaries
Citric acid
Citric Acid
strontium titanium oxide
Strontium
Grain growth
Acetic acid
Acetic Acid
Powders
Nanocrystals
Electric properties

Keywords

  • A. Powders: chemical preparation
  • B. Electron microscopy
  • B. Grain boundaries
  • C. Electrical conductivity

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Process Chemistry and Technology
  • Surfaces, Coatings and Films
  • Materials Chemistry

Cite this

Grain boundary engineering for improving conductivity of polycrystalline SrTiO3. / Tzeng, Wei Lung; Yen, Hung Wei; Lin, Wen Chin; Shih, Shao Ju.

In: Ceramics International, Vol. 43, No. 2, 01.02.2017, p. 2361-2367.

Research output: Contribution to journalArticle

Tzeng, Wei Lung ; Yen, Hung Wei ; Lin, Wen Chin ; Shih, Shao Ju. / Grain boundary engineering for improving conductivity of polycrystalline SrTiO3. In: Ceramics International. 2017 ; Vol. 43, No. 2. pp. 2361-2367.
@article{0dbbeb77b2804a909c78a934c0fee066,
title = "Grain boundary engineering for improving conductivity of polycrystalline SrTiO3",
abstract = "The present paper reports the conductivity enhancement of strontium titanate (SrTiO3) using grain boundary engineering (GBE). In grain boundaries (GBs), Σ3 GBs have superior electrical properties to general GBs. Although many studies have focused on increasing the population of Σ3 GBs, the increase in the Σ3 GB population was limited mainly because the previous studies did not provide an efficient method for orienting grains (e.g., inhibition of abnormal grain growth). This study attempts to manipulate nanocrystal planes of SrTiO3 starting powders by using additives of acetic acid and citric acid. Using citric acid both populations of (111) surfaces and Σ3 GB are increased. Furthermore, our conductivity measurement indicated that the higher the Σ3 GB population the more favorable the conductivity. In summary, the findings of this study opened new possibilities for increasing the conductivity of GBE.",
keywords = "A. Powders: chemical preparation, B. Electron microscopy, B. Grain boundaries, C. Electrical conductivity",
author = "Tzeng, {Wei Lung} and Yen, {Hung Wei} and Lin, {Wen Chin} and Shih, {Shao Ju}",
year = "2017",
month = "2",
day = "1",
doi = "10.1016/j.ceramint.2016.11.022",
language = "English",
volume = "43",
pages = "2361--2367",
journal = "Ceramics International",
issn = "0272-8842",
publisher = "Elsevier Limited",
number = "2",

}

TY - JOUR

T1 - Grain boundary engineering for improving conductivity of polycrystalline SrTiO3

AU - Tzeng, Wei Lung

AU - Yen, Hung Wei

AU - Lin, Wen Chin

AU - Shih, Shao Ju

PY - 2017/2/1

Y1 - 2017/2/1

N2 - The present paper reports the conductivity enhancement of strontium titanate (SrTiO3) using grain boundary engineering (GBE). In grain boundaries (GBs), Σ3 GBs have superior electrical properties to general GBs. Although many studies have focused on increasing the population of Σ3 GBs, the increase in the Σ3 GB population was limited mainly because the previous studies did not provide an efficient method for orienting grains (e.g., inhibition of abnormal grain growth). This study attempts to manipulate nanocrystal planes of SrTiO3 starting powders by using additives of acetic acid and citric acid. Using citric acid both populations of (111) surfaces and Σ3 GB are increased. Furthermore, our conductivity measurement indicated that the higher the Σ3 GB population the more favorable the conductivity. In summary, the findings of this study opened new possibilities for increasing the conductivity of GBE.

AB - The present paper reports the conductivity enhancement of strontium titanate (SrTiO3) using grain boundary engineering (GBE). In grain boundaries (GBs), Σ3 GBs have superior electrical properties to general GBs. Although many studies have focused on increasing the population of Σ3 GBs, the increase in the Σ3 GB population was limited mainly because the previous studies did not provide an efficient method for orienting grains (e.g., inhibition of abnormal grain growth). This study attempts to manipulate nanocrystal planes of SrTiO3 starting powders by using additives of acetic acid and citric acid. Using citric acid both populations of (111) surfaces and Σ3 GB are increased. Furthermore, our conductivity measurement indicated that the higher the Σ3 GB population the more favorable the conductivity. In summary, the findings of this study opened new possibilities for increasing the conductivity of GBE.

KW - A. Powders: chemical preparation

KW - B. Electron microscopy

KW - B. Grain boundaries

KW - C. Electrical conductivity

UR - http://www.scopus.com/inward/record.url?scp=85006412331&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85006412331&partnerID=8YFLogxK

U2 - 10.1016/j.ceramint.2016.11.022

DO - 10.1016/j.ceramint.2016.11.022

M3 - Article

VL - 43

SP - 2361

EP - 2367

JO - Ceramics International

JF - Ceramics International

SN - 0272-8842

IS - 2

ER -