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

Gabriel Munoz Gutierrez, S. Peuget, J. A. Hinks, G. Greaves, S. E. Donnelly, E. Oliviero, C. Jégou

Research output: Contribution to journalArticlepeer-review

28 Citations (Scopus)


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.

Original languageEnglish
Pages (from-to)565-568
Number of pages4
JournalJournal of Nuclear Materials
Issue number1-3
Early online date16 Jun 2014
Publication statusPublished - 1 Sep 2014


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