Low-temperature sintering characteristics of nano-sized BaNd 2Ti5O14 and Bi2O3-B 2O3-ZnO-SiO2 glass powders prepared by gas-phase reactions

You Na Ko; Dae Soo Jung; Jung Hyun Kim; Young Jun Hong; Yun Chan Kang

doi:10.1016/j.materresbull.2011.06.031

Low-temperature sintering characteristics of nano-sized BaNd ₂Ti₅O₁₄ and Bi₂O₃-B ₂O₃-ZnO-SiO₂ glass powders prepared by gas-phase reactions

You Na Ko, Dae Soo Jung, Jung Hyun Kim, Young Jun Hong, Yun Chan Kang

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

1 Citation (Scopus)

Abstract

Nano-sized BaNd₂Ti₅O₁₄ (BNT) powders were prepared by spray pyrolysis from solutions containing ethylenediaminetetraacetic acid and citric acid. Treatment at temperatures ≥900 °C and subsequent milling resulted in nanoparticle powders with orthorhombic crystal structures. The mean particle size of the powder post-treated at 1000 °C was 160 nm. Nano-sized Bi₂O₃-B₂O₃-ZnO-SiO ₂ glass powder with 33 nm average particle size was prepared by flame spray pyrolysis and used as a sintering agent for the BNT. BNT pellets sintered at 1100 °C without the glass had porous structures and fine grain sizes. Those similarly sintered with the glass had denser structures and larger grains.

Original language	English
Pages (from-to)	2112-2116
Number of pages	5
Journal	Materials Research Bulletin
Volume	46
Issue number	11
DOIs	https://doi.org/10.1016/j.materresbull.2011.06.031
Publication status	Published - 2011 Nov
Externally published	Yes

Keywords

A. Amorphous materials
A. Glasses
A. Nanostructures
B. Chemical synthesis

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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10.1016/j.materresbull.2011.06.031

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@article{4b682bf9913545578b4a80eeb329aa88,

title = "Low-temperature sintering characteristics of nano-sized BaNd 2Ti5O14 and Bi2O3-B 2O3-ZnO-SiO2 glass powders prepared by gas-phase reactions",

abstract = "Nano-sized BaNd2Ti5O14 (BNT) powders were prepared by spray pyrolysis from solutions containing ethylenediaminetetraacetic acid and citric acid. Treatment at temperatures ≥900 °C and subsequent milling resulted in nanoparticle powders with orthorhombic crystal structures. The mean particle size of the powder post-treated at 1000 °C was 160 nm. Nano-sized Bi2O3-B2O3-ZnO-SiO 2 glass powder with 33 nm average particle size was prepared by flame spray pyrolysis and used as a sintering agent for the BNT. BNT pellets sintered at 1100 °C without the glass had porous structures and fine grain sizes. Those similarly sintered with the glass had denser structures and larger grains.",

keywords = "A. Amorphous materials, A. Glasses, A. Nanostructures, B. Chemical synthesis",

author = "Ko, {You Na} and Jung, {Dae Soo} and Kim, {Jung Hyun} and Hong, {Young Jun} and Kang, {Yun Chan}",

note = "Funding Information: This study was supported by a grant ( M2009010025 ) from the Fundamental R&D Program for Core Technology of Materials funded by the Ministry of Knowledge Economy (MKE), Republic of Korea . This study was supported by Seoul R & BD Program ( WR090671 ). This study was supported by the Korea Science and Engineering Foundation (KOSEF) grant funded by the Korea government (MEST) (No. 2009-0074023 ).",

year = "2011",

month = nov,

doi = "10.1016/j.materresbull.2011.06.031",

language = "English",

volume = "46",

pages = "2112--2116",

journal = "Materials Research Bulletin",

issn = "0025-5408",

publisher = "Elsevier Limited",

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AU - Ko, You Na

AU - Jung, Dae Soo

AU - Kim, Jung Hyun

AU - Hong, Young Jun

AU - Kang, Yun Chan

N1 - Funding Information: This study was supported by a grant ( M2009010025 ) from the Fundamental R&D Program for Core Technology of Materials funded by the Ministry of Knowledge Economy (MKE), Republic of Korea . This study was supported by Seoul R & BD Program ( WR090671 ). This study was supported by the Korea Science and Engineering Foundation (KOSEF) grant funded by the Korea government (MEST) (No. 2009-0074023 ).

PY - 2011/11

Y1 - 2011/11

N2 - Nano-sized BaNd2Ti5O14 (BNT) powders were prepared by spray pyrolysis from solutions containing ethylenediaminetetraacetic acid and citric acid. Treatment at temperatures ≥900 °C and subsequent milling resulted in nanoparticle powders with orthorhombic crystal structures. The mean particle size of the powder post-treated at 1000 °C was 160 nm. Nano-sized Bi2O3-B2O3-ZnO-SiO 2 glass powder with 33 nm average particle size was prepared by flame spray pyrolysis and used as a sintering agent for the BNT. BNT pellets sintered at 1100 °C without the glass had porous structures and fine grain sizes. Those similarly sintered with the glass had denser structures and larger grains.

AB - Nano-sized BaNd2Ti5O14 (BNT) powders were prepared by spray pyrolysis from solutions containing ethylenediaminetetraacetic acid and citric acid. Treatment at temperatures ≥900 °C and subsequent milling resulted in nanoparticle powders with orthorhombic crystal structures. The mean particle size of the powder post-treated at 1000 °C was 160 nm. Nano-sized Bi2O3-B2O3-ZnO-SiO 2 glass powder with 33 nm average particle size was prepared by flame spray pyrolysis and used as a sintering agent for the BNT. BNT pellets sintered at 1100 °C without the glass had porous structures and fine grain sizes. Those similarly sintered with the glass had denser structures and larger grains.

KW - A. Amorphous materials

KW - A. Glasses

KW - A. Nanostructures

KW - B. Chemical synthesis

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