Self‐diffusion measurements by multinuclear high‐temperature PFG NMR in inorganic solids, glasses and melts Mallory Gobet, Vincent Sarou‐Kanian and Catherine Bessada CEMHTI, CNRS UPR3079, Orléans, France
CEMHTI UPR3079 CNRS Orléans, France GERM 2012, Domaine Saint Hilaire, France
Diffusion in condensed matter: a key issue Transport properties in condensed matter at high temperature for: Better structural description Thermophysical properties ‐ viscosity Electrochemical properties ‐ conductivity
Molten salt reactor
Aluminium electrolysis smelter
Geology
Solid electrolytes for batteries
A great challenge: In most cases: few experimental techniques reliable Extreme conditions (temperature, corrosivity) Low diffusion coefficients High Temperature PFG NMR CEMHTI UPR3079 CNRS Orléans, France
Outlines 1)High Temperature PFG NMR set‐up 2)Molten fluorides: multinuclear diffusion in aluminium electrolytic bath System with free ions and anionic complexes Comparison between D and the size of the species 3)Oxides: 7Li diffusion in lithium borates melts and glasses Fast diffusion of lithium within B‐O network Comparison between D and conductivity 4)Solids: 7Li diffusion in Li3N Anisotropic diffusion in Li3N Comparison with conductivity Towards the study of potential solid electrolytes for batteries CEMHTI UPR3079 CNRS Orléans, France
High temperature PFG NMR set‐up BN Crucible > 1000°C
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fundamental expertise in organic synthesis, analytical bio-organic chemistry and molecular ... A number of publications in high-level peer-reviewed journals,.
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widened possibilities and applications of these characterization techniques. Spectroscopic techniques combined with theoretical calculations are particularly ...
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developed robust methods to quantitatively describe these molecular ... analytical and numerical approaches to develop a self-consistent representation of all ...
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