Abstract
RECOMBINATION luminescence which occurs in alkaline glass after γ irradiation at 77 K, decreases in intensity when the glass is cooled. Between 60 K and 4 K the activation energy is probably about zero. This seems to be direct proof of a tunnelling mechanism.
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ERSHOV, B., KIEFFER, F. Effect of temperature on recombination luminescence and electron tunnelling. Nature 252, 118–119 (1974). https://doi.org/10.1038/252118a0
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DOI: https://doi.org/10.1038/252118a0
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