The concept of quasi-tissue-equivalent nanodosimeter based on the Glow Peak 5a/5 in LiF:Mg,Ti (TLD-100)

L. Oster, Y. S. Horowitz, S. Biderman, J. Haddad

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

We demonstrate the viability of the concept of using existing molecular nanostructures in thermoluminescent solid-state materials as solid-state nanodosimeters. The concept is based on mimicking radiobiology (specifically the ionization density dependence of double strand breaks in DNA) by using the similar ionization density dependence of simultaneous electron-hole capture in spatially correlated trapping and luminescent centres pairs in the thermoluminescence of LiF:Mg,Ti. This simultaneous electron-hole capture has been shown to lead to ionization density dependence in the relative intensity of peak 5a to peak 5 similar to the ratio of double-strand breaks to single-strand breaks for low energy He ions.

Original languageEnglish
Pages (from-to)173-178
Number of pages6
JournalAustralasian Physical and Engineering Sciences in Medicine
Volume26
Issue number4
DOIs
StatePublished - 1 Jan 2003

Keywords

  • LiF:Mg,Ti
  • Nanodosimetry
  • Thermoluminescence

ASJC Scopus subject areas

  • Biophysics
  • Biomedical Engineering
  • Radiology Nuclear Medicine and imaging
  • General Physics and Astronomy

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