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Project Leader
Christopher Ratcliffe
Phone: 613-991-1240
Fax: 613-998-7833
Email: Christopher.Ratcliffe@nrc-cnrc.gc.ca
Solid State NMR Techniques Development
The main goal of the project is the development, implementation and employment of new state-of-the-art Solid State (SS) NMR techniques for characterization of materials and its processes for energy and the environment. Activities in the project include the development of SS NMR strategies to study hydrogen-containing hydrides, the development of NMR crystallographic approaches for characterization of powder materials, the development of 1H high resolution spectroscopy at ultrahigh fields, the development of applications for employing ultra-fast MAS 1H NMR with improved resolution, and development of SS NMR probes and accessories for NMR experiments in non-standard conditions.
NRC-SIMS evaluates and implements computations of SS NMR parameters such as the application of theoretical methods for the optimization of experiments. The project uses characterization methods of porous structure with optically polarized noble gases. Helium-3 NMR is under investigation as a tool for studying small micropores and extending the range of NMR tools for the characterization of void spaces.
The SS NMR Techniques development project also looks at molecular diffusion rates in hydrogen hydrates and the factors affecting the kinetics of hydrogen inclusion and release. In hydrogen hydrates the mechanisms of hydrogen transport between the cages remain mainly largely unknown thus obtaining reliable information on diffusion will help in understanding and ultimately controlling the process. The data obtained can also be used in the validation of molecular dynamics simulations.
