This study reports host-controlled luminescence from 4f⁰ and 4f ¹ Ce levels in SrZnO₂, probed through x-ray absorption near edge and photoluminescence spectroscopies. O K-edge perceived the presence of Ce 4f states at the bottom of conduction band and 5d states merging with conduction band. Due to such an arrangement, a fast radiative emission (11.15 ns, average) is observed through charge transfer excitation from host to empty 4f⁰ Ce levels. Ce content is found to vary the site occupancy, which is then modifying the population of 4f⁰ and 4f ¹ energy states by altering Ce–O bond covalency. This study proposes the Ce-doped SrZnO₂ system as a potential system for scintillators and lighting materials.

中文翻译：

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SrZnO2:Ce 中电荷转移诱导的快速蓝色发射

该研究报告了 SrZnO _{2 中}4 f ⁰和 4 f  ¹ Ce 水平的宿主控制发光，通过近边缘的 X 射线吸收和光致发光光谱进行探测。Ó ķ _edge时感知的Ce 4的存在˚F状态在导带和5倍的底部d的状态与导带合并。由于这种安排，通过从主体到空 4 f ⁰ Ce 能级的电荷转移激发观察到快速辐射发射（11.15 ns，平均）。发现 Ce 含量会改变站点占用率，然后修改 4 f ⁰和 4 f ¹的人口 通过改变 Ce-O 键共价键的能量状态。这项研究提出了 Ce 掺杂的 SrZnO ₂系统作为闪烁体和照明材料的潜在系统。