Abstract
The ion-induced electric field is calculated for estimating the effect of the Coulomb explosion (CE) mechanism. The increase of the kinetic energy of lattice ions in the electric field of the track core is Δε∝(q(0))4, where q(r) is the induced initial charge density. Estimates are made for the irradiation of SiO2 by 2MeV/nucleon Kr beam: the mean energy of lattice ions reaches 8.1eV within 4fs in the track core. The Lorentzian and Gaussian charge density distributions lead to similar results. The type of solids affects Δε through the charge neutralization time. As a result of the decrease of q(0), Δε is reduced by about an order of magnitude in the range 2–8MeV/nucleon. The projectile velocity may affect the formation of ion-induced tracks by the CE mechanism.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callMore From: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
