Abstract
Nuclear spin-lattice relaxation measurements have been carried out in bcc and hcp solid3He at low temperatures. The observed relaxation rates are anomalously high and indicate that a typical sample has a substructure of small domains at whose boundaries rapid spin-lattice equilibrium takes place. Experiments on the sample anisotropy show that these domains cannot be crystallites and we believe that they may be determined by stacking faults or small-angle grain boundaries. The magnetic field dependence of the spin diffusion coefficient and the effects of dissolved4He are also investigated.
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Giffard, R.P., Truscott, W.S. & Hatton, J. Anomalous spin-lattice relaxation in solid3He. J Low Temp Phys 4, 153–162 (1971). https://doi.org/10.1007/BF00628388
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DOI: https://doi.org/10.1007/BF00628388