Making the invisible visible: observing the UV-reversal effect in quartz using radiofluorescence

Détails

ID Serval
serval:BIB_DBF0B80D962A
Type
Article: article d'un périodique ou d'un magazine.
Collection
Publications
Titre
Making the invisible visible: observing the UV-reversal effect in quartz using radiofluorescence
Périodique
Journal of Physics D: Applied Physics
Auteur⸱e⸱s
Friedrich Johannes, Kreutzer Sebastian, Schmidt Christoph
ISSN
0022-3727
1361-6463
Statut éditorial
Publié
Date de publication
22/08/2018
Peer-reviewed
Oui
Volume
51
Numéro
33
Pages
335105
Langue
anglais
Résumé
The pre-dose effect is one of the most well-known phenomena in quartz luminescence. It refers to an increase in dose sensitivity subsequent to radiation pre-exposure and annealing. A theoretical description of this phenomenon exists since the 1970s and is widely used in recent luminescence models. However, also the opposite effect has been described, the less known 'UV-reversal' effect which reduces the luminescence sensitivity due to illuminating the sample with far UV light. Both effects were detected with thermoluminescence (TL) following a small test dose and observing the effect indirectly using the response of the 110 °C peak. We here present a more direct measurement of both phenomena via UV-radiofluorescence (UV-RF), which is the luminescence emitted during irradiation. Therefore, the need of a TL measurement is obsolete. Furthermore, we were able to calculate a time rate of eviction of holes from the luminescence centre and implement this value into existing models to obtain a more comprehensive description of quartz luminescence. Numerical simulations are in good agreement with experimental data.
Mots-clé
Acoustics and Ultrasonics, Electronic, Optical and Magnetic Materials, Surfaces, Coatings and Films, Condensed Matter Physics
Web of science
Création de la notice
17/10/2020 19:29
Dernière modification de la notice
23/12/2022 11:17
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