Comment on ''Dense and nanometric electronic excitations induced by swift heavy ions in an ionic CaF2 crystal: Evidence for two thresholds of damage creation''

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Abstract

Systematic experiments on irradiation damage in CaF2 were reported in a recent paper. The measurements were performed in a broad range of ion energies and energy deposition and the inelastic thermal spike model was applied for the analysis. Here we demonstrate that contrary to what is stated in the paper, the experimental results do not prove that there is a velocity effect in CaF2 similar to that observed previously in Y 3Fe5O12 and other track-forming insulators. We also show that the authors' results do not support their hypothesis that tracks are formed by quenching of a boiling phase.

Original languageEnglish
Article number056101
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume87
Issue number5
DOIs
Publication statusPublished - Feb 21 2013

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Heavy Ions
ionic crystals
Heavy ions
Boiling liquids
Quenching
heavy ions
Irradiation
Ions
damage
Crystals
thresholds
electronics
spikes
boiling
excitation
Experiments
quenching
insulators
irradiation
energy

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Electronic, Optical and Magnetic Materials

Cite this

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