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Simultaneous Diffusion of Argon and Krypton in Single Crystals of KCl‐RbCl
Author(s) -
Schmeling P.,
Schroerschwarz R.
Publication year - 1966
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.19660150132
Subject(s) - krypton , argon , diffusion , irradiation , analytical chemistry (journal) , neutron , chemistry , radiation , kinetics , materials science , radiochemistry , atomic physics , thermodynamics , nuclear physics , physics , organic chemistry , chromatography , quantum mechanics
The simultaneous diffusion of Ar 41 and Kr 85m into single crystals containing 30 mole percent of KCl and 70 mole percent of RbCl is studied. The rare‐gases are created by irradiation with fast neutrons. The diffusion kinetics are similar to those of the systems KCl/Ar and RbCl/Kr. The interesting high temperature region is characterized by activation energies of (0.28 ± 0.035) eV and (0.56 ± 0.035) eV for KCl—RbCl/Ar and KCl—RbCl/Kr, respectively. The diffusion coefficients of argon are about one order of magnitude higher than those of krypton. Comparison with experiments performed after irradiation to high neutron doses shows that these values are not affected by radiation damage.

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