Synergy of inelastic and elastic energy loss: Temperature effects and electronic stopping power dependence

Eva Zarkadoula; Haizhou Xue; Yanwen Zhang; William J. Weber

doi:10.1016/j.scriptamat.2015.05.044

Synergy of inelastic and elastic energy loss: Temperature effects and electronic stopping power dependence

Eva Zarkadoula, Haizhou Xue, Yanwen Zhang, William J. Weber

Nanomaterials Theory Institute

Research output: Contribution to journal › Article › peer-review

18 Scopus citations

Abstract

A combination of an inelastic thermal spike model suitable for insulators and molecular dynamics simulations is used to study the effects of temperature and electronic energy loss on ion track formation, size and morphology in SrTiO₃ systems with pre-existing disorder. We find temperature dependence of the ion track size. We also find a threshold in the electronic energy loss for a given pre-existing defect concentration, which indicates a threshold in the synergy between the inelastic and elastic energy loss.

Original language	English
Pages (from-to)	2-5
Number of pages	4
Journal	Scripta Materialia
Volume	110
DOIs	https://doi.org/10.1016/j.scriptamat.2015.05.044
State	Published - Jan 1 2016

Funding

This work was supported by the U.S. Department of Energy , Office of Science, Basic Energy Sciences, Materials Sciences and Engineering Division. This research used resources of the National Energy Research Scientific Computing Center, supported by the Office of Science, US Department of Energy under Contract No. DEAC02-05CH11231 .

Funders	Funder number
National Energy Research Scientific Computing Center
US Department of Energy
U.S. Department of Energy
Office of Science
Basic Energy Sciences

Keywords

Ceramics
Defects
Molecular dynamics
Perovskite
Radiation effects

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10.1016/j.scriptamat.2015.05.044

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abstract = "A combination of an inelastic thermal spike model suitable for insulators and molecular dynamics simulations is used to study the effects of temperature and electronic energy loss on ion track formation, size and morphology in SrTiO3 systems with pre-existing disorder. We find temperature dependence of the ion track size. We also find a threshold in the electronic energy loss for a given pre-existing defect concentration, which indicates a threshold in the synergy between the inelastic and elastic energy loss.",

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AU - Zarkadoula, Eva

AU - Xue, Haizhou

AU - Zhang, Yanwen

AU - Weber, William J.

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AB - A combination of an inelastic thermal spike model suitable for insulators and molecular dynamics simulations is used to study the effects of temperature and electronic energy loss on ion track formation, size and morphology in SrTiO3 systems with pre-existing disorder. We find temperature dependence of the ion track size. We also find a threshold in the electronic energy loss for a given pre-existing defect concentration, which indicates a threshold in the synergy between the inelastic and elastic energy loss.

KW - Ceramics

KW - Defects

KW - Molecular dynamics

KW - Perovskite

KW - Radiation effects

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Synergy of inelastic and elastic energy loss: Temperature effects and electronic stopping power dependence

Abstract

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