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Updated: Jun 7, 2026

Low-energy Cathodoluminescence for (Oxy)Nitride Phosphors
Published on: November 15, 2016
The response of a fast phosphor screen scintillator (ZnO:Ga) to low energy ions (0-60 keV)
D Jiménez-Rey1, B Zurro, L Rodríguez-Barquero
1Centro de Micro-Análisis de Materiales, Universidad Autónoma de Madrid, C/ Faraday 3, Campus de Cantoblanco, E-28049 Madrid, Spain. david.jimenez@uam.es
Abstract:
ZnO:Ga is a promising, high time resolution candidate for use as a fast-ion-loss detector in TJ-II. We compare its ionoluminescence with that of the standard fast-ion-loss detector material, SrGa(2)S(4):Eu (also known as TG-Green), when irradiated by H(+) ions with a range of energies E≤60 keV using a dedicated laboratory setup. It is found that ZnO:Ga is a reasonably good candidate for detecting low energy (E<60 keV) ions as it has excellent time resolution; however, its sensitivity is about 100 times lower than TG-Green, potentially limiting it to applications with high energy ion loss signals.
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