The effect of temperature on bubble lattice formation in copper under in situ He ion irradiation

Aidan M. Robinson; Philip D. Edmondson; Colin English; Sergio Lozano-Perez; Graeme Greaves; Jonathan A. Hinks; Stephen E. Donnelly; Chris R M Grovenor

doi:10.1016/j.scriptamat.2016.12.031

The effect of temperature on bubble lattice formation in copper under in situ He ion irradiation

Aidan M. Robinson, Philip D. Edmondson, Colin English, Sergio Lozano-Perez, Graeme Greaves, Jonathan A. Hinks, Stephen E. Donnelly, Chris R M Grovenor

Research output: Contribution to journal › Article

7 Citations (Scopus)

Abstract

In situ ion irradiation in a transmission electron microscope was used to investigate the effects of temperature on radiation-induced bubble lattice formation in Cu by low energy (12 keV) helium ions. Bubble lattices were observed to form between − 100 and 100 °C, but at 200 °C lattice formation was impeded by continued growth and agglomeration of bubbles. Both nucleation of bubbles, and to a lesser extent bubble lattice formation, are observed at lower fluences as temperature increases, which we suggest is due to increased point defect mobility. Previous work on point defect concentrations in irradiated copper is considered when interpreting these results.

Original language	English
Pages (from-to)	108-111
Number of pages	4
Journal	Scripta Materialia
Volume	131
Early online date	22 Jan 2017
DOIs	https://doi.org/10.1016/j.scriptamat.2016.12.031
Publication status	Published - 1 Apr 2017

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Profiles

Graeme Greaves

G.Greaves@hud.ac.uk

Department of Engineering and Technology - Senior Research Fellow
School of Computing and Engineering
Ion Beam Centre - Member

Person: Academic

Cite this

Robinson, A. M., Edmondson, P. D., English, C., Lozano-Perez, S., Greaves, G., Hinks, J. A., ... Grovenor, C. R. M. (2017). The effect of temperature on bubble lattice formation in copper under in situ He ion irradiation. Scripta Materialia, 131, 108-111. https://doi.org/10.1016/j.scriptamat.2016.12.031

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abstract = "In situ ion irradiation in a transmission electron microscope was used to investigate the effects of temperature on radiation-induced bubble lattice formation in Cu by low energy (12 keV) helium ions. Bubble lattices were observed to form between − 100 and 100 °C, but at 200 °C lattice formation was impeded by continued growth and agglomeration of bubbles. Both nucleation of bubbles, and to a lesser extent bubble lattice formation, are observed at lower fluences as temperature increases, which we suggest is due to increased point defect mobility. Previous work on point defect concentrations in irradiated copper is considered when interpreting these results.",

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AU - Robinson, Aidan M.

AU - Edmondson, Philip D.

AU - English, Colin

AU - Lozano-Perez, Sergio

AU - Greaves, Graeme

AU - Hinks, Jonathan A.

AU - Donnelly, Stephen E.

AU - Grovenor, Chris R M

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N2 - In situ ion irradiation in a transmission electron microscope was used to investigate the effects of temperature on radiation-induced bubble lattice formation in Cu by low energy (12 keV) helium ions. Bubble lattices were observed to form between − 100 and 100 °C, but at 200 °C lattice formation was impeded by continued growth and agglomeration of bubbles. Both nucleation of bubbles, and to a lesser extent bubble lattice formation, are observed at lower fluences as temperature increases, which we suggest is due to increased point defect mobility. Previous work on point defect concentrations in irradiated copper is considered when interpreting these results.

AB - In situ ion irradiation in a transmission electron microscope was used to investigate the effects of temperature on radiation-induced bubble lattice formation in Cu by low energy (12 keV) helium ions. Bubble lattices were observed to form between − 100 and 100 °C, but at 200 °C lattice formation was impeded by continued growth and agglomeration of bubbles. Both nucleation of bubbles, and to a lesser extent bubble lattice formation, are observed at lower fluences as temperature increases, which we suggest is due to increased point defect mobility. Previous work on point defect concentrations in irradiated copper is considered when interpreting these results.

KW - Bubble lattice

KW - Copper

KW - In situ ion irradiation

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