liyf4晶体中nd3 +能级和磁性能的群链图分析

Chen Xueyuan, Luo Zundu
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引用次数: 3

摘要

在对基团链方案分析的基础上,对Nd3+:LiYF4进行了晶体场水平拟合,Nd3+离子占据了位对称为S4的位置。能级拟合的均方根偏差为12.8 cm-1。利用得到的波函数计算了基态的g因子,g|| = 2.067, g| = 2.631,与实验值g|| = 1.987, g| = 2.554吻合较好。结果表明,该方法对研究激光晶体中局域中心的光谱特性是有效的。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
GROUP-CHAIN SCHEME ANALYSIS OF THE ENERGY LEVELS AND MAGNETIC PROPERTIES OF Nd 3+ IN LiYF 4 CRYSTAL
Based on the analysis of group-chain scheme, the crystal-field-level fitting of Nd3+:LiYF4 has been carried out, in which the Nd3+ ions occupy positions with site symmetry S4. The RMS deviation of energy-level fitting is 12.8 cm-1. Using the obtained wave functions, g-factors of the ground state are calculated, which are g||?=?2.067 and g??=?2.631, in good agreement with the experimental values (g|| = 1.987 and g??=?2.554). The method proposed turns out to be effective in the study of spectral properties of localized centres in laser crystals.
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