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

doi:10.1063/1.3272680

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

Research output: Contribution to journal › Article › peer-review

25 Citations (Scopus)

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 language	English
Article number	241902
Journal	Applied Physics Letters
Volume	95
Issue number	24
DOIs	https://doi.org/10.1063/1.3272680
Publication status	Published - 2009 Dec 14
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1063/1.3272680

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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.",

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AU - Kolobov, A. V.

AU - Fons, P.

AU - Krbal, M.

AU - Simpson, R. E.

AU - Hosokawa, S.

AU - Uruga, T.

AU - Tanida, H.

AU - Tominaga, J.

PY - 2009/12/14

Y1 - 2009/12/14

N2 - 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.

AB - 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.

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Liquid Ge₂ Sb₂ Te₅ studied by extended x-ray absorption

Abstract

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