General features of latent track formation in magnetic insulators irradiated with swift heavy ions

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Abstract

A thermal spike model is proposed for the analysis of latent track formation in insulators. The model predicts that above a threshold electronic stopping power Set Re2∼lnSe for 1≤Se/Set≤2.7 followed by Re2∼Se for 2.7≤Se/Set (Re being the effective track radius). A simple expression is derived for the evaluation of Set from material parameters. A good agreement is found with literature data on latent tracks in magnetic insulators. The analysis showed that the width of the temperature distribution is a(0)=(4.5±0.25) nm and the energy deposited in the spike is 0.17Se.

Original languageEnglish
Pages (from-to)8026-8029
Number of pages4
JournalPhysical Review B
Volume51
Issue number13
DOIs
Publication statusPublished - Jan 1 1995

ASJC Scopus subject areas

  • Condensed Matter Physics

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