Microscopic diffusion of hydrogen molecules in ice clathrate under high pressure
Hydrogen clathrate hydrate is an inclusion compound in which a hydrogen-bonded crystalline ice structure encages hydrogen molecules. It has been suggested as candidate material for hydrogen storage applications and attracted considerable attention during the last decade. In addition, it is likely to exist in nature since hydrogen and water ice are common constituents of the universe. We recently performed a high-pressure inelastic and quasi-elastic neutron scattering experiment on IN5 to characterize the self-dynamics of the encaged hydrogen molecule. This experiment was performed in a gas pressure cell up to 5 kbar using helium as pressure transmitting medium. Here we propose to conclude such measurements using a similar setup with argon as pressure transmitting medium.
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RANIERI Umbertoluca; BOVE Livia Eleonora; R. Gaal; KLOTZ Stefan; KOZA Michael Marek and KUHS Werner Friedrich. (2018). Microscopic diffusion of hydrogen molecules in ice clathrate under high pressure. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.6-07-29
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