Formation of amorphous latent tracks in mica

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Abstract

There are controversial experimental data on latent track sizes in mica bombarded by energetic ions in the electronic stopping regime. Recent measurements by wide angle X-ray diffraction [1] and atomic force microscopy (AMF) with lateral scanning [2] provided intermediate values between previous AMF [3] and small angle neutron scattering results [4], In the present paper the variation of the amorphous track size with the electronic stopping power Sc is analyzed based on a thermal spike model. Good agreement is found between the results obtained by wide-angle X-ray diffraction and AMF with lateral scanning and the predictions of the model. The relation predicted between the thermal properties and the radiation sensitivity is also confirmed. A comparison with latent track formation in magnetic insulators is given and very close values of the thermal spike parameters are obtained from the analysis.

Original languageEnglish
Pages (from-to)146-149
Number of pages4
JournalNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume107
Issue number1-4
DOIs
Publication statusPublished - Feb 1996

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ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation

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