The Saturation of the Response to an Electron Beam of Ce- and Tb-Doped GYAGG Phosphors for Indirect β-Voltaics
Source abstract
Abstract
GYAGG:Tb (Ce) scintillators have been confirmed to be promising sources of light emission when excited by an intense 150 keV electron beam. The saturation of the scintillation yield under such excitation conditions has been studied. To explain the results obtained, a model that considers the Auger quenching mechanism was used. The Ce-doped material did not show saturation, whereas a moderate 30% drop of the yield was measured in the Tb-doped sample at the highest excitation beam intensity ~1 A/cm2. This put forward a way to exploit the Tb-doped scintillator for indirect β-voltaic batteries.
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Research context
OpenAlex topics: Advanced Energy Technologies and Civil Engineering Innovations · Radiation Detection and Scintillator Technologies · Luminescence Properties of Advanced Materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
National Research Center “Kurchatov Institute”, 123098 Moscow, Russia
Institute for Nuclear Problems, Belarus State University, 11 Bobruiskaya, 220030 Minsk, Belarus
Faculty of Physics, Lomonosov Moscow State University, 119992 Moscow, Russia
Experimental Physics Department, Ural Federal University, 620002 Yekaterinburg, Russia
Skobeltsyn Institute for Nuclear Physics, Lomonosov Moscow State University, 119992 Moscow, Russia
Funding
Russian Federation represented by the Ministry of Education and Science of Russia
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