Abstract
The proton magnetic resonance in the polycrystalline hydrides of titanium and zirconium have been observed and the root mean second moments ( M 2 1 2 ), root mean fourth moments ( M 4 1 4 ), the ratios M 4 1 4 M 2 1 2 , ΔH ms1 2 M 2 1 2 , and ΔH 1 2 ΔH ms1 have been obtained. It has been confirmed that the observed M 4 1 4 M 2 1 4 values of the proton resonance in the nearly stoichiometric titanium hydrides agree well with the theoretical value of O'Reilly and Tsang for a polycrystalline simple cubic lattice. Three theoretical line shapes on the different bases, i.e., the analytical shape by Abragam, the Green's function formalism by Mansfield, and the information theory by Powles and Carazaa, have been compared with the experimental line shapes of the hydrides. The agreements have been found to be satisfactory if the line broadening source is purely a dipolar interaction.
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