High pressure hydrogen clathrate research using inelastic neutron scattering and x-ray diffraction

Tim Jenkins (Carnegie Institution, Washington D.C.)

Clathrate hydrates have been investigated as a potential hydrogen storage medium. Inelastic neutron scattering provides a powerful tool for identifying the hydrogen motions involving the interior cage clathrate environment. Use of high pressure in the preparation and during the measurement of the clathrates provides access to increased information through the different structural forms and packing arrangements that can be seen. I will present recent neutron scattering results in addition to x-ray diffraction and Raman light scattering measurements that illustrate the interconnectivity of these techniques. I will also talk about the current advances in high pressure research and new avenues for future research involving neutron scattering.

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