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Etching of low energy (<10 keV/amu) heavy ion tracks in minerals: Implications for possible α-recoil track dating

Authors
Journal
International Journal of Radiation Applications and Instrumentation Part D Nuclear Tracks and Radiation Measurements
1359-0189
Publisher
Elsevier
Publication Date
Volume
12
Identifiers
DOI: 10.1016/1359-0189(86)90728-4
Keywords
  • Alpha-Recoil Tracks
  • Ion Implantation Effects
  • Minerals
  • Tracks In
  • Nomarski Interference Microscopy
  • Track Dating
  • Track Etching

Abstract

Abstract Partially covered polished sections of various minerals have been irradiated with 1 keV/amu lead ions, treated with different etchants and probed with a stylus instrument. The observation of a step-height between irradiated and unirradiated areas, at low irradiation dose, provides an indirect evidence for the etchability of alpha-recoil tracks in these materials. The inferred etch rate enhancement is very low (< 2–3), which explains why α-recoil tracks have not been visualized by classical techniques of observation in most materials. We suggest some guidelines for a more systematic search for etched α-recoil tracks in minerals.

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