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Ailion, David Charles | NMR methods for identifying and studying diffusion of different spin species in heteronuclear systems | We introduce a new dipolar relaxation lime TU)' which characterizes the spin-lattice relaxation of secular dipolar interactions in the presence of a large rf field. Measurements of T]D' are particularly useful for studying slow atomic motions in muitispin systems, since such measurements enable us ... | NMR; Nuclear magnetic resonance; Nuclear-spin species; Diffusion; Molecular rotations | 1978 |