Microscopic insight into the sputtering of thin polystyrene films on Ag{111} induced by large and slow Ar clusters

Lukasz Rzeznik, Bartlomiej Czerwinski, Barbara Jane Garrison, Nicholas Winograd, Zbigniew Postawa

Research output: Contribution to journalArticle

45 Citations (Scopus)

Abstract

Molecular dynamics computer simulations were employed to model the bombardment of Ag{111} covered with a monolayer of sec-butyl-terminated polystyrene tetramer (PS4) molecules by the impact of large and slow clusters. The investigated surface was bombarded with clusters composed of between hundreds to 29 000 Ar atoms having a very low kinetic energy per atom (0.1-40 eV). The sputtering yield of molecular species and their internal, angular, and kinetic energy distributions were analyzed. The simulations demonstrated quite clearly that the physics of ejection by these large and slow clusters is distinct from the ejection events stimulated by the popular SIMS clusters, C60, Au3, and SF5.

Original languageEnglish (US)
Pages (from-to)521-531
Number of pages11
JournalJournal of Physical Chemistry C
Volume112
Issue number2
DOIs
StatePublished - Jan 17 2008

Fingerprint

Polystyrenes
Kinetic energy
Sputtering
polystyrene
sputtering
Atoms
Secondary ion mass spectrometry
ejection
Molecular dynamics
Monolayers
Physics
kinetic energy
Molecules
Computer simulation
internal energy
secondary ion mass spectrometry
atoms
bombardment
energy distribution
computerized simulation

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Energy(all)
  • Surfaces, Coatings and Films
  • Physical and Theoretical Chemistry

Cite this

Rzeznik, Lukasz ; Czerwinski, Bartlomiej ; Garrison, Barbara Jane ; Winograd, Nicholas ; Postawa, Zbigniew. / Microscopic insight into the sputtering of thin polystyrene films on Ag{111} induced by large and slow Ar clusters. In: Journal of Physical Chemistry C. 2008 ; Vol. 112, No. 2. pp. 521-531.
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Microscopic insight into the sputtering of thin polystyrene films on Ag{111} induced by large and slow Ar clusters. / Rzeznik, Lukasz; Czerwinski, Bartlomiej; Garrison, Barbara Jane; Winograd, Nicholas; Postawa, Zbigniew.

In: Journal of Physical Chemistry C, Vol. 112, No. 2, 17.01.2008, p. 521-531.

Research output: Contribution to journalArticle

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