Predictive modeling of synergistic effects in nanoscale ion track formation
Abstract
Molecular dynamics techniques and the inelastic thermal spike model are used to study the coupled effects of inelastic energy loss due to 21 MeV Ni ion irradiation and pre-existing defects in SrTiO3. We determine the dependence on pre-existing defect concentration of nanoscale track formation occurring from the synergy between the inelastic energy loss and the pre-existing atomic defects. We show that the nanoscale ion tracks’ size can be controlled by the concentration of pre-existing disorder. This work identifies a major gap in fundamental understanding concerning the role played by defects in electronic energy dissipation and electron–lattice coupling.
- Authors:
-
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Univ. of Helsinki (Finland)
- Univ. of Tennessee, Knoxville, TN (United States)
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Univ. of Tennessee, Knoxville, TN (United States)
- Publication Date:
- Research Org.:
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC)
- OSTI Identifier:
- 1213352
- Grant/Contract Number:
- AC05-00OR22725
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Chemistry Chemical Physics. PCCP
- Additional Journal Information:
- Journal Volume: 17; Journal Issue: 35; Journal ID: ISSN 1463-9076
- Publisher:
- Royal Society of Chemistry
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; SrTiO3; molecular dynamics; ion track
Citation Formats
Zarkadoula, Eva, Pakarinen, Olli H., Xue, Haizhou, Zhang, Yanwen, and Weber, William J. Predictive modeling of synergistic effects in nanoscale ion track formation. United States: N. p., 2015.
Web. doi:10.1039/C5CP02382C.
Zarkadoula, Eva, Pakarinen, Olli H., Xue, Haizhou, Zhang, Yanwen, & Weber, William J. Predictive modeling of synergistic effects in nanoscale ion track formation. United States. https://doi.org/10.1039/C5CP02382C
Zarkadoula, Eva, Pakarinen, Olli H., Xue, Haizhou, Zhang, Yanwen, and Weber, William J. Wed .
"Predictive modeling of synergistic effects in nanoscale ion track formation". United States. https://doi.org/10.1039/C5CP02382C. https://www.osti.gov/servlets/purl/1213352.
@article{osti_1213352,
title = {Predictive modeling of synergistic effects in nanoscale ion track formation},
author = {Zarkadoula, Eva and Pakarinen, Olli H. and Xue, Haizhou and Zhang, Yanwen and Weber, William J.},
abstractNote = {Molecular dynamics techniques and the inelastic thermal spike model are used to study the coupled effects of inelastic energy loss due to 21 MeV Ni ion irradiation and pre-existing defects in SrTiO3. We determine the dependence on pre-existing defect concentration of nanoscale track formation occurring from the synergy between the inelastic energy loss and the pre-existing atomic defects. We show that the nanoscale ion tracks’ size can be controlled by the concentration of pre-existing disorder. This work identifies a major gap in fundamental understanding concerning the role played by defects in electronic energy dissipation and electron–lattice coupling.},
doi = {10.1039/C5CP02382C},
journal = {Physical Chemistry Chemical Physics. PCCP},
number = 35,
volume = 17,
place = {United States},
year = {Wed Aug 05 00:00:00 EDT 2015},
month = {Wed Aug 05 00:00:00 EDT 2015}
}
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Works referencing / citing this record:
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