Study of optically stimulated luminescence of Tb3+/Sm3+ doubly doped K2YF5 single crystals

In this work the optically stimulated luminescence (OSL) properties of K2YF5 crystals doubly doped with Tb3+ and Sm3+ ions have been investigated for the first time. The OSL response of K2YF5 crystals containing different dopant concentrations under optical stimulation with different wavelengths has been analyzed. Dosimetric properties of the most efficient composition, namely, K2YF5:1.0 at% Tb3+;1.0 at% Sm3+, have been studied. Finally, the possible application of this single crystal to OSL dosimetry has been evaluated.