Conclusions
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1.
We have shown that in both “solution” and “melt” KCl and KCl-PbCl2 crystals the main contribution to the fast accumulation of F centers arises from a common source —divacancies. The action of this source, operating in accordance with a noncatalytic mechanism, with due allowance for the possibility of the direct formation of F centers from the source, may be described by the sum of two exponentials.
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2.
All the experiments involving a high-temperature quench agree closely with the foregoing concept of the dual impurity distribution in the “solution” crystals and the role of preradiation defects in the accumulation of F centers.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 8, pp. 49–54, August, 1975.
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Kravchenko, N.S. Accumulation of F centers in alkali-halide crystals at room temperature. Soviet Physics Journal 18, 1102–1105 (1975). https://doi.org/10.1007/BF01110029
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DOI: https://doi.org/10.1007/BF01110029