Journal
EPL
Volume 119, Issue 5, Pages -Publisher
EPL ASSOCIATION, EUROPEAN PHYSICAL SOCIETY
DOI: 10.1209/0295-5075/119/56003
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Funding
- Academy of Finland SIRDAME project
- Euratom research and training programme [633053]
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Two types of dislocation loops are observed in irradiated alpha-Fe, the 1/2 < 111 > loop and the < 100 > loop. Atomistic simulations consistently predict that only the energetically more favourable 1/2 < 111 > loops are formed directly in cascades, leaving the formation mechanism of < 100 > loops an unsolved question. We show how < 100 > loops can be formed when cascades overlap with random pre-existing primary radiation damage in Fe and FeCr. This indicates that there are no specific constraints involved in the formation of < 100 > loops, and can explain their common occurrence. Copyright (C) EPLA, 2017
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