Nano-structuring of CaF2 surfaces by slow highly charged ions: Simulation and experiment

G. Wachter, K. Tökési, G. Betz, C. Lemell, J. Burgdörfer, A. S. El-Said, R. A. Wilhelm, R. Heller, S. Facsko, R. Ritter, F. Aumayr

Research output: Contribution to journalConference articlepeer-review

1 Scopus citations

Abstract

The impact of individual slow highly charged ions (HCI) on insulators can create nano-scale surface modifications. We present recent experimental results on nano-hillock and etch pit formation on CaF2, where the appearance of surface modifications is observed only above a threshold projectile potential and kinetic energy depending on the type of damage. A proof-of-principle molecular dynamics simulation offers insights into the early stages of damage formation.

Original languageEnglish
Article number132015
JournalJournal of Physics: Conference Series
Volume488
Issue numberSECTION 13
DOIs
StatePublished - 2014
Externally publishedYes

ASJC Scopus subject areas

  • General Physics and Astronomy

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