Synthesis of single-crystal barium titanate nanorods transformed from potassium titanate nanostructures

Sung Oong Kang; Hoon Sik Jang; Ki Bok Kim; Bae Ho Park; Maeng Joon Jung; Yong Il Kim

doi:10.1016/j.materresbull.2007.04.020

Synthesis of single-crystal barium titanate nanorods transformed from potassium titanate nanostructures

Sung Oong Kang, Hoon Sik Jang, Ki Bok Kim, Bae Ho Park, Maeng Joon Jung, Yong Il Kim

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Abstract

Single-crystal barium titanate (BaTiO₃) nanorods were synthesized by a hydrothermal reaction using precursors of potassium titanate (K₂O·nTiO₂, n = 4 or 6) nanostructures. The precursors of potassium tetratitanate (K₂Ti₄O₉) and potassium hexatitanate (K₂Ti₆O₁₃) nanostructures were prepared by a sol-gel method in which a growth of K₂O·nTiO₂ (n = 4 or 6) nanorods was induced by a role of pre-crystallized K₂O phase at defined heating temperatures. The specific morphologies of BaTiO₃ nanorods featured with flat or stepped surfaces and rectangular or polygonal cross-section, were obtainable by selecting the structure of precursors.

Original language	English
Pages (from-to)	996-1003
Number of pages	8
Journal	Materials Research Bulletin
Volume	43
Issue number	4
DOIs	https://doi.org/10.1016/j.materresbull.2007.04.020
State	Published - 1 Apr 2008

Keywords

A. Nanostructures
B. Sol-gel chemistry
C. Electron microscopy
D. Ferroelectricity

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10.1016/j.materresbull.2007.04.020

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title = "Synthesis of single-crystal barium titanate nanorods transformed from potassium titanate nanostructures",

abstract = "Single-crystal barium titanate (BaTiO3) nanorods were synthesized by a hydrothermal reaction using precursors of potassium titanate (K2O·nTiO2, n = 4 or 6) nanostructures. The precursors of potassium tetratitanate (K2Ti4O9) and potassium hexatitanate (K2Ti6O13) nanostructures were prepared by a sol-gel method in which a growth of K2O·nTiO2 (n = 4 or 6) nanorods was induced by a role of pre-crystallized K2O phase at defined heating temperatures. The specific morphologies of BaTiO3 nanorods featured with flat or stepped surfaces and rectangular or polygonal cross-section, were obtainable by selecting the structure of precursors.",

keywords = "A. Nanostructures, B. Sol-gel chemistry, C. Electron microscopy, D. Ferroelectricity",

author = "Kang, {Sung Oong} and Jang, {Hoon Sik} and Kim, {Ki Bok} and Park, {Bae Ho} and Jung, {Maeng Joon} and Kim, {Yong Il}",

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T1 - Synthesis of single-crystal barium titanate nanorods transformed from potassium titanate nanostructures

AU - Kang, Sung Oong

AU - Jang, Hoon Sik

AU - Kim, Ki Bok

AU - Park, Bae Ho

AU - Jung, Maeng Joon

AU - Kim, Yong Il

PY - 2008/4/1

Y1 - 2008/4/1

N2 - Single-crystal barium titanate (BaTiO3) nanorods were synthesized by a hydrothermal reaction using precursors of potassium titanate (K2O·nTiO2, n = 4 or 6) nanostructures. The precursors of potassium tetratitanate (K2Ti4O9) and potassium hexatitanate (K2Ti6O13) nanostructures were prepared by a sol-gel method in which a growth of K2O·nTiO2 (n = 4 or 6) nanorods was induced by a role of pre-crystallized K2O phase at defined heating temperatures. The specific morphologies of BaTiO3 nanorods featured with flat or stepped surfaces and rectangular or polygonal cross-section, were obtainable by selecting the structure of precursors.

AB - Single-crystal barium titanate (BaTiO3) nanorods were synthesized by a hydrothermal reaction using precursors of potassium titanate (K2O·nTiO2, n = 4 or 6) nanostructures. The precursors of potassium tetratitanate (K2Ti4O9) and potassium hexatitanate (K2Ti6O13) nanostructures were prepared by a sol-gel method in which a growth of K2O·nTiO2 (n = 4 or 6) nanorods was induced by a role of pre-crystallized K2O phase at defined heating temperatures. The specific morphologies of BaTiO3 nanorods featured with flat or stepped surfaces and rectangular or polygonal cross-section, were obtainable by selecting the structure of precursors.

KW - A. Nanostructures

KW - B. Sol-gel chemistry

KW - C. Electron microscopy

KW - D. Ferroelectricity

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U2 - 10.1016/j.materresbull.2007.04.020

DO - 10.1016/j.materresbull.2007.04.020

M3 - Article

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SN - 0025-5408

VL - 43

SP - 996

EP - 1003

JO - Materials Research Bulletin

JF - Materials Research Bulletin

IS - 4

ER -

Synthesis of single-crystal barium titanate nanorods transformed from potassium titanate nanostructures

Abstract

Keywords

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