Crystal structure transformations of rare-gas solids under pressure

Errandonea, D.; Schwager, B.; Boehler, R.

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Crystal structure transformations of rare-gas solids under pressure

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Errandonea, D.
High Pressure Group, Max Planck Institute for Chemistry, Max Planck Society;

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Schwager, B.
High Pressure Group, Max Planck Institute for Chemistry, Max Planck Society;

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Boehler, R.
High Pressure Group, Max Planck Institute for Chemistry, Max Planck Society;

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Errandonea, D., Schwager, B., & Boehler, R. (2002). Crystal structure transformations of rare-gas solids under pressure. High Pressure Research, 22(2 Sp. Iss. SI), 375-379.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0014-911A-6

Abstract

Pressure-induced structural changes in solid krypton (Kr) and xenon (Xe) have been studied using angle dispersive X-ray diffraction in a diamond-anvil cell (DAC) up to 50 GPa. The analysis of the results shows that in solid Kr (Xe) the phase transition from fcc to hcp starts below 3.2 GPa (1.5 GPa). Albeit the hcp/fcc ratio increases under pressure, both phases coexist up to the highest pressure reached in this study. Room temperature (RT) equations of state (EOS) are determined.