Generation of phase-change Ge-Sb-Te nanoparticles by pulsed laser ablation

H. R. Yoon, W. Jo, E. H. Lee, J. H. Lee, M. Kim, K. Y. Lee, Y. Khang

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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.

Original languageEnglish
Pages (from-to)3430-3434
Number of pages5
JournalJournal of Non-Crystalline Solids
Issue number43-45
StatePublished - 1 Nov 2005

Bibliographical note

Funding Information:
This work was supported by Samsung Electronics, Ltd. One of the authors (W.J.) also acknowledges that this work was supported by the Korea Research Foundation Grant (KRF-2004-005-C00057).


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