Temperature dependences of luminescence parameters of Cs2CdI4:Mn single crystals

Abstract

The temperature dependences of luminescence intensity I(T) and decay time τ(T) of Mn‐doped Cs2CdI4 single crystals are studied. The analysis of experimental results evidences the associated character of the impurity incorporation and the existence of a global dynamic hysteresis of I(T) and τ(T). The formation of a global dynamic hysteresis is connected with the different mutual positions of luminescence centres formed at cooling or heating, as well as with the behaviour of the electronic subsystem at intraband excitation of the crystals.