Thermoluminescence centres created selectively in MgO crystals by fast neutrons

S. Dolgov, T. Kärner, A. Lushchik, A. Maroos, N. Mirortova-Ulmane, S. Nakonechnyi, Y. S. Horowitz, L. Oster

Research output: Contribution to journalArticlepeer-review

36 Scopus citations

Abstract

A possibility of using the thermoluminescent detection of collision-created interstitial centres in MgO by the TL peak at 700 K, arising at the radiative recombination of anion interstitials with F+ centres, for the selective detection of fast neutrons in mixed neutron-gamma fields, is examined. Selectivity and sensitivity of such a detector are discussed. For the present time, the sensitivity of the thermoluminescent detection of anion interstitials created by neutron irradiation is comparable to that of the EPR detection of F+ centres, the main limitations of the thermoluminescence method being connected with the background thermoluminescence and absence of suitable luminescence centres in this temperature region, when undoped and untreated MgO crystals are used. Possible ways to overcome these shortcomings are discussed.

Original languageEnglish
Pages (from-to)127-130
Number of pages4
JournalRadiation Protection Dosimetry
Volume100
Issue number1-4
DOIs
StatePublished - 1 Jan 2002
Externally publishedYes

ASJC Scopus subject areas

  • Radiation
  • Radiological and Ultrasound Technology
  • Radiology Nuclear Medicine and imaging
  • Public Health, Environmental and Occupational Health

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