We theoretically and experimentally examined the assumption that the lifetime excited state of Fe²⁺ in ZnSe:Fe crystal is quenched by free electrons. The effect of the electron beam current value on the temporal characteristics of the luminescence was studied. Three variants, including a sample in the electronic circuit in the case of Fe²⁺ ions luminescence excitation in a ZnSe:Fe crystal by a beam of accelerated electrons, were first considered theoretically. These variants differ in external electric field magnitude in the sample, which affects the concentration of free electrons in the excited region of the sample. Equations describing the time dependence of the sample's electron density were derived. The luminescence decay kinetics of Fe²⁺ ions in ZnSe:Fe crystal excited by electron pulse with different electron beam current values and short-pulse optical radiation were obtained. The values of the quantities that determine the temporal characteristics of the luminescence decay depending on the electron beam current were found.

我们从理论上和实验上检验了以下假设：ZnSe:Fe 晶体中 Fe ²⁺的终生激发态被自由电子猝灭。研究了电子束电流值对发光时间特性的影响。首先在理论上考虑了三种变体，包括在 ZnSe:Fe 晶体中通过加速电子束激发Fe ²⁺离子发光情况下的电子电路中的样品。这些变体在样品中的外部电场强度方面有所不同，这会影响样品激发区中自由电子的浓度。得到了描述样品电子密度随时间变化的方程。Fe ²⁺的发光衰减动力学得到了不同电子束电流值和短脉冲光辐射的电子脉冲激发的ZnSe:Fe晶体中的离子。确定了取决于电子束电流的发光衰减的时间特性的量值。