Electron-beam-induced formation mechanisms for Ti2O 3-SiO2 composite nanofibers

Jae Won Shin, Dae Jin Yang, Seok Hoon Lee, Jin Gyu Kim, Seung Jo Yoo, Dong Yeol Yun, Dea Uk Lee, Tae Whan Kim

Research output: Contribution to journalArticle

Abstract

Anatase TiO2 nanoparticles with high crystallinity were embedded in the SiO2 matrix by electrospining and calcining. As-calcined TiO2-SiO2 nanofibers were transformed into Ti 2O3-SiO2 nanofibers owing to in situ electron-beam irradiation in a transmission electron microscope. The microstructural properties and the mechanisms of electron-beam-induced formation of Ti2O3-SiO2 composite nanofibers were described on the basis of the obtained high-resolution transmission electron microscopy images, fast-Fourier-transformed patterns, and energy dispersive spectroscopy profiles.

Original languageEnglish
Article number095001
JournalJapanese Journal of Applied Physics
Volume53
Issue number9
DOIs
StatePublished - 2014 Jan 1

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Nanofibers
Electron beams
electron beams
composite materials
Composite materials
anatase
crystallinity
electron microscopes
High resolution transmission electron microscopy
Titanium dioxide
nanoparticles
transmission electron microscopy
irradiation
Energy dispersive spectroscopy
high resolution
Electron microscopes
matrices
profiles
Irradiation
spectroscopy

Cite this

Shin, Jae Won ; Yang, Dae Jin ; Lee, Seok Hoon ; Kim, Jin Gyu ; Yoo, Seung Jo ; Yun, Dong Yeol ; Lee, Dea Uk ; Kim, Tae Whan. / Electron-beam-induced formation mechanisms for Ti2O 3-SiO2 composite nanofibers. In: Japanese Journal of Applied Physics. 2014 ; Vol. 53, No. 9.
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abstract = "Anatase TiO2 nanoparticles with high crystallinity were embedded in the SiO2 matrix by electrospining and calcining. As-calcined TiO2-SiO2 nanofibers were transformed into Ti 2O3-SiO2 nanofibers owing to in situ electron-beam irradiation in a transmission electron microscope. The microstructural properties and the mechanisms of electron-beam-induced formation of Ti2O3-SiO2 composite nanofibers were described on the basis of the obtained high-resolution transmission electron microscopy images, fast-Fourier-transformed patterns, and energy dispersive spectroscopy profiles.",
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Electron-beam-induced formation mechanisms for Ti2O 3-SiO2 composite nanofibers. / Shin, Jae Won; Yang, Dae Jin; Lee, Seok Hoon; Kim, Jin Gyu; Yoo, Seung Jo; Yun, Dong Yeol; Lee, Dea Uk; Kim, Tae Whan.

In: Japanese Journal of Applied Physics, Vol. 53, No. 9, 095001, 01.01.2014.

Research output: Contribution to journalArticle

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AU - Shin, Jae Won

AU - Yang, Dae Jin

AU - Lee, Seok Hoon

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AU - Yoo, Seung Jo

AU - Yun, Dong Yeol

AU - Lee, Dea Uk

AU - Kim, Tae Whan

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AB - Anatase TiO2 nanoparticles with high crystallinity were embedded in the SiO2 matrix by electrospining and calcining. As-calcined TiO2-SiO2 nanofibers were transformed into Ti 2O3-SiO2 nanofibers owing to in situ electron-beam irradiation in a transmission electron microscope. The microstructural properties and the mechanisms of electron-beam-induced formation of Ti2O3-SiO2 composite nanofibers were described on the basis of the obtained high-resolution transmission electron microscopy images, fast-Fourier-transformed patterns, and energy dispersive spectroscopy profiles.

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