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Molecular dynamics computer simulations of sputtering of benzene sample by large mixed Lennard-Jones clusters
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Molecular dynamics computer simulations of sputtering of benzene sample by large mixed Lennard-Jones clusters
Bibliographic description
| title: | Molecular dynamics computer simulations of sputtering of benzene sample by large mixed Lennard-Jones clusters |
| author: | Rzeźnik Łukasz, Postawa Zbigniew 
|
| journal title: | Nuclear Instruments and Methods in Physics Research. Section B, Beam Interactions with Materials and Atoms |
| title of volume: | 17th International Conference on Radiation Effects in Insulators (REI) |
| volume: | 326 |
| date of publication : | 2014 |
| pages: | 185-189 |
| ISSN: |
0168-583X |
| eISSN: |
1872-9584 |
| DOI: | |
| language: | English |
| journal language: | English |
| abstract in English: | Molecular dynamics computer simulations have been used to probe the role of the projectile composition on the emission efficiency and the sample damage. A benzene crystal was bombarded by 15 keV large heterogeneous noble gas clusters containing 2953 atoms. The projectiles used in this study are two-component clusters composed of Ne, Ar, and Kr atoms directed at 0° and 60° relative to the surface normal. It has been found that for normal incidence the total sputtering yield decreases with the projectile mass, whereas for 60° impact angle the yield increases with this quantity. For both 0° and 60° impact angles the observed sputtering yield for heterogeneous clusters cannot be calculated as a sum of sputtering yields obtained for homogeneous projectiles multiplied by the concentration of each component in the multi-component cluster. The difference in deposition scenarios of the primary kinetic energy is shown to be responsible for the observed behavior of the total sputtering yield. |
| keywords in English: | computer simulations, sputtering, large noble gas projectiles, SIMS, organic solids |
| affiliation: | Wydział Fizyki, Astronomii i Informatyki Stosowanej : Instytut Fizyki im. Mariana Smoluchowskiego |
| type: | journal article |
| subtype: | academic paper |
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Projekt „Repozytorium otwartego dostępu do dorobku naukowego i dydaktycznego UJ” współfinansowany w ramach poddziałania 2.3.1 „Cyfrowe udostępnianie zasobów nauki” Programu Operacyjnego Polska Cyfrowa z Europejskiego Funduszu Rozwoju Regionalnego i budżetu państwa na podstawie umowy o dofinansowanie nr POPC.02.03.01-00-0030/17-00
