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@article{Jackson:2017:1741-4326/aa7b41,
author = {Jackson, M and Burr, PA and Grimes, RW},
doi = {1741-4326/aa7b41},
journal = {Nuclear Fusion},
pages = {1--10},
title = {Defect processes in Be12X (X=Ti, Mo, V, W)},
url = {http://dx.doi.org/10.1088/1741-4326/aa7b41},
volume = {57},
year = {2017}
}

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TY  - JOUR
AB  - The stability of intrinsic point defects in Be12X intermetallics (where X  =  Ti, V, Mo or W) are predicted using density functional theory simulations and discussed with respect to fusion energy applications. Schottky disorder is found to be the lowest energy complete disorder process, closely matched by Be Frenkel disorder in the cases of Be12V and Be12Ti. Antitisite and X Frenkel disorder are of significantly higher energy. Small clusters of point defects including Be divacancies, Be di-interstitials and accommodation of the X species on two Be sites were considered. Some di-interstitial, divacancy and X2Be combinations exhibit negative binding enthalpy (i.e. clustering is favourable), although this is orientationally dependent. None of the Be12X intermetallics are predicted to exhibit significant non-stoichiometry, ruling out non-stoichiometry as a mechanism for accommodating Be depletion due to neutron transmutation.
AU  - Jackson,M
AU  - Burr,PA
AU  - Grimes,RW
DO  - 1741-4326/aa7b41
EP  - 10
PY  - 2017///
SN  - 0029-5515
SP  - 1
TI  - Defect processes in Be12X (X=Ti, Mo, V, W)
T2  - Nuclear Fusion
UR  - http://dx.doi.org/10.1088/1741-4326/aa7b41
UR  - https://iopscience.iop.org/article/10.1088/1741-4326/aa7b41
UR  - http://hdl.handle.net/10044/1/49697
VL  - 57
ER  -

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