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首页> 外文期刊>The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory >Assignment of electronic transitions and electron-phonon coupling of Er3+ doped into Y2O3
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Assignment of electronic transitions and electron-phonon coupling of Er3+ doped into Y2O3

机译:掺入Y2O3中的Er3 +的电子跃迁和电子-声子耦合的分配

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摘要

The assignments of bands in the electronic spectra of Y2O3:Er3+ to Er3+ ions situated at S-6 symmetry sites (Silver, J.; Martinez-Rubio, M. I.; Ireland, T. G.; Withnall, R. J. Phys. Chem. B 2001, 105, 7200; Silver, J.; Martinez-Rubio, M. L; Ireland, T. G.; Fern, G. R.; Withnall, R. J. Phys. Chem. B 2001, 105, 948) are shown to be incorrect, and some of the conceptual errors in these works are also corrected. For example, the emission bands assigned to 2H(11/2) --> I-4(15/2) transitions at S-6 sites are reassigned to P-2(3/2) --> I-4(11/2) transitions of Er3+ at C-2 sites. In fact, all of the visible and ultraviolet bands can be assigned to Er3+ ions situated at C-2 sites. The optical spectra are remarkably complete and uncluttered from vibronic structure, except for emission transitions to the two highest ground-state crystal field levels, where the multiple structures are assigned to electron-phonon coupling effects.
机译:Y2O3:Er3 +电子光谱中的能带分配给位于S-6对称位点的离子(Silver,J .; Martinez-Rubio,MI;爱尔兰,TG; Withnall,RJ Phys.Chem.B 2001,105, 7200; Silver,J .; Martinez-Rubio,M.L;爱尔兰,TG; Fern,GR; Withnall,RJ Phys.Chem.B 2001,105,948)被证明是不正确的,并且在概念上有些错误这些作品也得到纠正。例如,在S-6位置分配给2H(11/2)-> I-4(15/2)跃迁的发射带重新分配给P-2(3/2)-> I-4(11) / 2)在C-2位点处Er3 +的转变。实际上,所有可见带和紫外带都可以分配给位于C-2位的Er3 +离子。除了发射跃迁到两个最高基态晶体场能级(其中将多个结构分配给电子-声子耦合效应)外,光谱非常完整且不易振动。

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