1974•physica status solidi (b)Requires access
Multiphonon Processes in the Spin–Lattice Relaxation of Paramagnetic Ion Nuclei
M. P. Vaisfeld
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Abstract
Abstract It is shown on the example of paramagnetic ions with a triplet ground electronic state that alongside with the two‐step Orbach‐Aminov processes multiphonon processes of the resonant type, in particular three‐ and four‐step ones, can contribute greatly to the relaxation of paramagnetic ion nuclei. 141Pr3+ ions in yttrium ethyl sulphate have been taken as an example.