Characterization of Tl$_2$NaYCl$_6$:Ce Scintillation Crystals as Gamma-Ray Detectors
R. Hawrami, E. Ariesanti, A. Burger
TL;DR
This paper reports on the growth and detailed characterization of Tl$_2$NaYCl$_6$:Ce scintillation crystals, demonstrating their effectiveness as gamma-ray detectors with high energy resolution and light yield.
Contribution
It presents the first growth and comprehensive characterization of Tl$_2$NaYCl$_6$:Ce crystals for gamma-ray detection, including measurements of energy resolution, light yield, and decay times.
Findings
Energy resolution of 4.1% at 662 keV
Light yield of 27,800 photons/MeV
Decay times of 91 ns, 462 ns, and 2.1 microseconds
Abstract
In this paper the growth of a 16mm diameter Ce-doped TlNaYCl and its characterization as a gamma-ray detector are reported. With a 16 mm dia. x 8 mm cylindrical sample, energy resolution of 4.1% (FWHM) at 662 keV and light yield of 27,800ph/MeV are measured. Decay times of 91 ns (34%), 462 ns (52%), and 2.1 microseconds (15%) are calculated. The x-ray excited emission spectrum exhibits bands that are similar to other Tl-based elpasolite scintillators like TlNaYCl:Ce.
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