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Progress in Earth and Planetary Science
Fig. 3 | Progress in Earth and Planetary Science

Fig. 3

From: Significance of the high-pressure properties and structural evolution of gas hydrates for inferring the interior of icy bodies

Fig. 3

Progression of phase change from MH-II to MH-III as described by changes in the host structures and vibrational modes of the guests over time. a Time-resolved XRD pattern and b relative intensity of the representative diffraction lines of MH-II and MH-III. c Time-resolved Raman spectra and d (top) Raman shift and (bottom) fraction of methane molecules in each cage of MH-II and MH-III and released liquid methane. The data show that MH-II collapses abruptly and that MH-III is reconstructed. This figure is modified from Hirai et al. (2015)

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