Avoiding concentration quenching and self-absorption in Cs<sub>4</sub>EuX<sub>6</sub> (X = Br, I) by Sm<sup>2+</sup> doping
Casper van Aarle, Karl W. Krämer, P. Dorenbos
Abstract
Cs 4 EuX 6 scintillators suffer from strong self-absorption and weak concentration quenching. Both can be avoided by Sm 2+ doping. It improves the energy resolution, shortens the decay time and shifts the emission wavelength into the near-infrared.
Topics & Concepts
ScintillatorMaterials scienceQuenching (fluorescence)DopingAbsorption (acoustics)Analytical Chemistry (journal)InfraredAtomic physicsFluorescenceOpticsOptoelectronicsPhysicsChemistryDetectorChromatographyComposite materialRadiation Detection and Scintillator TechnologiesAtomic and Subatomic Physics ResearchLuminescence Properties of Advanced Materials