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자연과학대학
물리학전공
Journal papers
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Generation of phase-change Ge-Sb-Te nanoparticles by pulsed laser ablation
Title
Generation of phase-change Ge-Sb-Te nanoparticles by pulsed laser ablation
Authors
Yoon H.R.
;
Jo W.
;
Lee E.H.
;
Lee J.H.
;
Kim M.
;
Lee K.Y.
;
Khang Y.
Ewha Authors
조윌렴
SCOPUS Author ID
조윌렴
Issue Date
2005
Journal Title
Journal of Non-Crystalline Solids
ISSN
0022-3093
Citation
Journal of Non-Crystalline Solids vol. 351, no. 43-45, pp. 3430 - 3434
Indexed
SCI; SCIE; SCOPUS
Document Type
Article
Abstract
Phase-change Ge-Sb-Te (GST) nanoparticles have been in situ synthesized by a pulsed laser ablation method. Temperature of heat treatment, pressure during ablation, and laser fluence are extensively explored to examine growth behavior of GST nanoparticles. Scanning and transmission electron microscopy are used to study microstructure and phase formation of the nanoparticles. Energy dispersive X-ray analysis is performed to look into chemical composition of the GST nanoparticles. It is found that stoichiometric GST nanocrystals with 5-50 nm of grain size are formed around 200 °C. © 2005 Published by Elsevier B.V.
DOI
10.1016/j.jnoncrysol.2005.09.007
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