Eu3+在SrAl2O4和SrIn2O4尖晶石中掺杂晶体场参数的计算

M. Stanciu
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引用次数: 0

摘要

摘要:铝酸锶(SrAl2O4)和铝酸铟(SrIn2O4)尖晶石已被证明是高效的宿主材料,它们在稀土三价离子掺杂后提供了产生宽带发射的可能性。本文利用晶体场叠加模型计算了三价铕在SrAl2O4和SrIn2O4尖晶石中的晶体场参数和能级。利用Eu3+-O2−键的固有参数和每个晶体的几何结构,我们对CFPs进行了建模,并模拟了低能级方案。将所得结果与实验数据进行了比较,并进行了讨论。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Calculation Of The Crystal Field Parameters For Eu3+ Doped In SrAl2O4 And SrIn2O4 Spinels
Abstract Strontium aluminate (SrAl2O4) and the indium aluminate (SrIn2O4) spinels have been proven to be efficient host materials, which offer the possibility of generating broadband emission after doping with rare earth trivalent ions. The present work is devoted to the calculation of the crystal field parameters and the energy levels of the trivalent europium doped in SrAl2O4 and SrIn2O4 spinels, using the superposition model of the crystal field. Using the intrinsic parameters for Eu3+-O2− bonds, and the geometry structure of the each crystal, we modeled the CFPs and simulated the low-lying energy levels schemes. The obtained results are compared with the experimental data and discussed.
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