Liquid Ge2 Sb2 Te5 studied by extended x-ray absorption

A. V. Kolobov, P. Fons, M. Krbal, R. E. Simpson, S. Hosokawa, T. Uruga, H. Tanida, J. Tominaga

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Abstract

We report on x-ray absorption studies of the structure of the liquid phase of a prototypical phase-change material Ge2 Sb2 Te 5. We demonstrate that the local structure of liquid Ge2 Sb2 Te5 is very similar to that of amorphous Ge 2 Sb2 Te5. Ge atoms in the liquid phase are found to be covalently bonded suggesting a semiconducting nature of the melt.

Original languageEnglish
Article number241902
JournalApplied Physics Letters
Volume95
Issue number24
DOIs
Publication statusPublished - 2009 Dec 14
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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    Kolobov, A. V., Fons, P., Krbal, M., Simpson, R. E., Hosokawa, S., Uruga, T., Tanida, H., & Tominaga, J. (2009). Liquid Ge2 Sb2 Te5 studied by extended x-ray absorption. Applied Physics Letters, 95(24), [241902]. https://doi.org/10.1063/1.3272680