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首页> 外文期刊>Physica status solidi, B. Basic research >Crystal-field analysis of the Ce3+ spectrum in YAlO3 single crystals
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Crystal-field analysis of the Ce3+ spectrum in YAlO3 single crystals

机译：YAlO3单晶中Ce3 +光谱的晶体场分析

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Infrared and ultraviolet absorption spectra arising from f --> f and f --> d transitions of Ce3+ in YAlO3 crystals are studied by Weber and used to derive the 4f and 5d energy levels. Excitation and fluorescence spectra of 5d 4f emission are also studied by Weber. From these spectra, the energy-level values for the 5d and F-2(7/2) multiplets are deduced, whereas the positions of the energy levels for the F-2(5/2) multiplet given by Weber are uncertain. A detailed crystal-field analysis of electronic energy levels of Ce3+ doped in YAlO3 crystals is proposed in this work. The observed crystalline-field splittings of the Ce3+ multiplets were accounted for using a C-1h symmetric Hamiltonian. In turn, reliable crystal-field parameters have been obtained. This theoretical analysis confirms the observed crystalline-field splittings of the 5d and F-2(7/2) multiplets. The crystalline-field splittings of the F-2(5/2) multiplet are deduced. [References: 17]
机译：韦伯研究了YAlO3晶体中Ce3 +的f-> f和f-> d跃迁产生的红外和紫外吸收光谱，并用于推导4f和5d能级。 Weber还研究了5d 4f发射的激发和荧光光谱。从这些光谱中，可以推导出5d和F-2（7/2）多重峰的能级值，而韦伯给出的F-2（5/2）多重峰的能级位置是不确定的。在这项工作中，提出了对掺杂在YAlO3晶体中的Ce3 +的电子能级的详细晶体场分析。使用C-1h对称哈密顿量解释了Ce3 +多重峰的观察到的晶体场分裂。反过来，已经获得了可靠的晶体场参数。该理论分析证实了观察到的5d和F-2（7/2）多重峰的晶体场分裂。推导了F-2（5/2）多重峰的晶体场分裂。 [参考：17]

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