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Helium bubble formation in nuclear glass by in-situ TEM ion implantation

G. Gutierrez S. Peuget J. A. Hinks G. Greaves S. E. Donnelly E. Oliviero 1 C. Jegou
1 CSNSM SEMI
CSNSM - Centre de Sciences Nucléaires et de Sciences de la Matière
Abstract : The effect of helium implantation fluences on He bubble nucleation and growth mechanisms in nuclear borosilicate glass has been characterized using in-situ transmission electron microscopy experiments. Observations of implanted glass at 143 K indicate that a helium concentration of around 3 at.% is required to nucleate a significant density of nanosized bubbles. He bubble growth is observed for concentration higher than the number of host sites (>4 at.%). These results highlight the large capacity of the glassy network for incorporating helium atoms. (C) 2014 Elsevier B.V. All rights reserved.
Keywords : SOLUBILITY HE
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Submitted on : Thursday, August 28, 2014 - 3:19:54 PM
Last modification on : Tuesday, December 1, 2020 - 1:06:04 PM

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G. Gutierrez, S. Peuget, J. A. Hinks, G. Greaves, S. E. Donnelly, et al.. Helium bubble formation in nuclear glass by in-situ TEM ion implantation. Journal of Nuclear Materials, Elsevier, 2014, 452, pp.565-568. ⟨10.1016/j.jnucmat.2014.06.010⟩. ⟨in2p3-01058897⟩

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