Structural stability of tin clathrates under high pressure

T. Imai; T. Kume; S. Sasaki; H. Shimizu; A. Kaltzoglou; T. F. Fässler

doi:10.1016/j.jpcs.2009.12.043

Structural stability of tin clathrates under high pressure

T. Imai, T. Kume, S. Sasaki, H. Shimizu, A. Kaltzoglou, T. F. Fässler

Chair of Inorganic Chemistry with Focus on New Materials

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

2 Scopus citations

Abstract

High pressure Raman scattering experiments have been performed for Rb₈Sn₄₄□₂ in order to investigate the pressure induced phase transition. At pressures of 6.0 and 7.5 GPa, Raman spectrum was drastically changed, indicating the phase transitions. The irreversibility of the spectral change and the disappearance of Raman peak observed at 7.5 GPa strongly suggest the occurrence of irreversible amorphization.

Original language	English
Pages (from-to)	587-589
Number of pages	3
Journal	Journal of Physics and Chemistry of Solids
Volume	71
Issue number	4
DOIs	https://doi.org/10.1016/j.jpcs.2009.12.043
State	Published - Apr 2010

Keywords

C. High pressure
D. Phase transition

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10.1016/j.jpcs.2009.12.043

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abstract = "High pressure Raman scattering experiments have been performed for Rb8Sn44□2 in order to investigate the pressure induced phase transition. At pressures of 6.0 and 7.5 GPa, Raman spectrum was drastically changed, indicating the phase transitions. The irreversibility of the spectral change and the disappearance of Raman peak observed at 7.5 GPa strongly suggest the occurrence of irreversible amorphization.",

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AU - Imai, T.

AU - Kume, T.

AU - Sasaki, S.

AU - Shimizu, H.

AU - Kaltzoglou, A.

AU - Fässler, T. F.

PY - 2010/4

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N2 - High pressure Raman scattering experiments have been performed for Rb8Sn44□2 in order to investigate the pressure induced phase transition. At pressures of 6.0 and 7.5 GPa, Raman spectrum was drastically changed, indicating the phase transitions. The irreversibility of the spectral change and the disappearance of Raman peak observed at 7.5 GPa strongly suggest the occurrence of irreversible amorphization.

AB - High pressure Raman scattering experiments have been performed for Rb8Sn44□2 in order to investigate the pressure induced phase transition. At pressures of 6.0 and 7.5 GPa, Raman spectrum was drastically changed, indicating the phase transitions. The irreversibility of the spectral change and the disappearance of Raman peak observed at 7.5 GPa strongly suggest the occurrence of irreversible amorphization.

KW - C. High pressure

KW - D. Phase transition

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ER -

Structural stability of tin clathrates under high pressure

Abstract

Keywords

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