What is it about?
Following radioactive decay, the site-preference of a daughter nuclide differed from that of the parent. At high temperature, the daughter atom was observed to jump from the sublattice occupied by the parent atom to the sublattice of a different element. In the most extreme observation, the residence time of the daughter atom at 1000K was only 1 nanosecond.
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Why is it important?
It would be impossible to measure such a short residence time by other, chemical means.
Perspectives
For about ten years, jump-frequencies measured for some probe atoms at high temperature made no sense. The idea of a change in site-preference resolved this issue in a very satisfactory way.
Gary Collins
Washington State University
Read the Original
This page is a summary of: Diffusion and Equilibration of Site-Preferences Following Transmutation of Tracer Atoms, Diffusion Foundations, November 2018, Trans Tech Publications,
DOI: 10.4028/www.scientific.net/df.19.61.
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