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PROTON MAGNETIC RESONANCE IN 0-PHASE PALLADIUM HYDRIDE

Palladium hydride (PdHx) is an alloy of significant intrinsic interest and of potential practical importance. On the one hand it is a simple alloy which exhibits marked quantum behaviour; on the other hand it is an example of a transition metal hydride which could be of interest for hydrogen storage. The experiments that will be discussed were carried out on three samples of palladium hydride prepared in the /?-phase with different concentrations X of hydrogen but made from the same batch of palladium foil, 0.002 cm in thickness. Proton magnetic resonance experiments carried out on this non-stoichiometric alloy provide information on the spatial distribution of the hydrogen atoms in the structure, on the proton dynamics, on the magnitude and nature of the magnetic fields at the proton sites and their correlations and on the nature of the proton-electron coupling. Several examples of the results of such studies carried out in my laboratory will be presented.