Abstract
We study the presence of quantum tunneling between the Ce3+ activator and host traps in lutetium aluminum garnet (LuAG). We monitor the afterglow of several Ce3+ (Mg2+)-doped LuAG samples in crystal and powder forms. The experiment is performed in the extended temperature range of 77-400 K. An inverse power-law function is fit to the data. A power-law exponent close to 1 confirms that the signal observed up to temperatures around 200-250 K is due to quantum tunneling between the Ce activators and traps.
Original language | English |
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Article number | 8331929 |
Pages (from-to) | 2085-2089 |
Number of pages | 5 |
Journal | IEEE Transactions on Nuclear Science |
Volume | 65 |
Issue number | 8 |
DOIs | |
Publication status | Published - 2018 Aug |
Keywords
- Garnets
- luminescence
- scintillator
- tunneling
ASJC Scopus subject areas
- Nuclear and High Energy Physics
- Nuclear Energy and Engineering
- Electrical and Electronic Engineering