2003/02/06 by S. G. Mayr, Yinon Ashkenazy, Karsten Albe +1 · 2 citations
Engineering · Materials Science · Earth and Planetary Sciences · #Ion-surface interactions and analysis #Glass properties and applications #High-pressure geophysics and materials
paper · doi:10.1103/physrevlett.90.055505
openalex publication_date 2003/02/06 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/30
Mechanisms of radiation-induced flow in amorphous solids have been investigated using molecular dynamics computer simulations. It is shown for a model glass system, CuTi, that the radiation-induced flow is independent of recoil energy between 100 eV and 10 keV when compared on the basis of defect production and that there is a threshold energy for flow of approximately 10 eV. Injection of interstitial- and vacancylike defects induces the same amount of flow as the recoil events, indicating that point-defect-like entities mediate the flow process, even at 10 K. Comparisons of these results with experiments and thermal spike models are made.