Abstract
We discuss the temperature dependence of the nuclear quadrupolar spin relaxation rate in metals and alloys. Four different relaxation processes must be distinguished: Hard collisions, diffusion, decay of associates and rotational diffusion. The latter two processes are important in alloys of strongly interacting alloying partners, the former in pure metals (collision) and ideal or regular mixtures. Diffusion is important if the alloying partners produce different electrical field gradients.
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We acknowledge machine time at the Karlsruhe cyclotron. This work was supported by the Deutsche Forschungsgemeinschaft (Sfb 161).
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Elwenspoek, M., Brinkmann, R., v. Hartrott, M. et al. Local degrees of freedom and nuclear quadrupolar spin relaxation in liquid metals and alloys. Hyperfine Interact 16, 577–580 (1983). https://doi.org/10.1007/BF02147319
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DOI: https://doi.org/10.1007/BF02147319