Abstract
The low-temperature diffusion experiments in aluminium have been extended to measurements onAlSi,AlGe andAlGa. The systematic study of Al with various impurities now shows that the trapping rate at temperatures below 2 K (described by a T−0.7 law) is directly related to the elastic distortion caused by each specific doping element. The overall diffusion behaviour in Al from 0.05 to 200 K can be described by the Kondo theory, only by assuming a low Debye frequency parameter, and if an additional T1 diffusion rate is included in the intermediate temperature range.
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Hartmann, O., Karlsson, E., Wäckelg»rd, E. et al. Low temperature diffusion and trapping of muons in aluminium: New experiments and comparison with theory. Hyperfine Interact 31, 223–228 (1986). https://doi.org/10.1007/BF02401563
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DOI: https://doi.org/10.1007/BF02401563