From groove to hillocks - Atomic-scale simulations of swift heavy ion grazing impacts on CaF2

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F24%3A00585127" target="_blank" >RIV/68378271:_____/24:00585127 - isvavai.cz</a>
Alternative codes found
RIV/61389021:_____/24:00617070
Result on the web
<a href="https://doi.org/10.1016/j.apsusc.2024.159310" target="_blank" >https://doi.org/10.1016/j.apsusc.2024.159310</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.apsusc.2024.159310" target="_blank" >10.1016/j.apsusc.2024.159310</a>

Result language
angličtina
Original language name
From groove to hillocks - Atomic-scale simulations of swift heavy ion grazing impacts on CaF2
Original language description
Surface nanopatterning of CaF2 by swift heavy ions irradiation under oblique angles is studied with a combination of the event-by-event Monte Carlo particle transport model and molecular dynamics simulations. The model describes the electronic system excitation and energy transfer to the lattice followed by the atomic response. The approach allowed us to simulate the kinetics of the electronic ensemble excited by a grazing ion demonstrating that the presence of the surface does not reduce the energy of the lattice as expected. On the contrary, the track core temperature near the surface is slightly higher than in the bulk, because electrons reflected from the surface bring a part of the energy back to the core. The formation kinetics of entire grazing ion tracks is studied revealing the mechanisms of various surface nanostructures formation. The simulated structures are in reasonable agreement with the available experimental data.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10306 - Optics (including laser optics and quantum optics)

Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2024
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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