The relationship between void size and positron lifetime in neutron irradiated molybdenum |
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Authors: | N. Thrane K. Petersen J. H. Evans |
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Affiliation: | (1) Laboratory of Applied Physics II, Technical University of Denmark, DK-2800 Lyngby, Denmark;(2) Metallurgy Division, AERE, Harwell, Oxon, UK |
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Abstract: | A number of molybdenum specimens, each containing a characteristic void size spectrum, have been subjected to positron lifetime measurements. Although the average void size varied in radius from 9 Å to 45 Å the long positron lifetime in the specimens was remarkably constant with τ2 = 465±5 ps. Therefore for the range of void sizes examined, this parameter appears to be independent of the void size. |
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Keywords: | 78.70 61.80 |
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