초록 |
To answer the cage dynamics and unique host-guest interacting patterns appearing in the complex clathrate hydrate structures, identification of thermal-structural behaviour occurring between host and guest molecule is required. In this study, we investigated thermal patterns of THF + H2, D2, N2, and O2 clathrate hydrate by employing high-resolution neutron powder diffraction technique, and suggested the temperature and guest dependant behaviour of clathrate hydrate. In particular, THF + H2 clathrate hydrate exhibits a ‘plastic deformation’-like behavior by introducing thermal history. It was also emphasized that the coherent/incoherent scattering pattern depending on the guest molecule is remarkably influence on the thermal behavior, and it should be considered to understand structural and thermal features through neutron diffraction study. |