Luminescence of yttrium–aluminum garnet crystals with Eu 2+  impurity ions

G. R. Asatryan; A. B. Kulinkin; S. P. Feofilov; K. L. Hovhannesyan; A. G. Petrosyan

doi:10.1134/S1063783417030064

Luminescence of yttrium–aluminum garnet crystals with Eu²⁺ impurity ions

作者: Asatryan G.R.¹, Kulinkin A.B.¹, Feofilov S.P.¹, Hovhannesyan K.L.², Petrosyan A.G.²
隶属关系:
1. Ioffe Institute
2. Institute for Physics Research
期: 卷 59, 编号 3 (2017)
页面: 487-489
栏目: Dielectrics
URL: https://ogarev-online.ru/1063-7834/article/view/199839
DOI: https://doi.org/10.1134/S1063783417030064
ID: 199839

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Luminescence of yttrium-aluminum garnet Y₃Al₅O₁₂: Eu,Si samples is studied. It is found that luminescence is associated with Eu²⁺ ions, but does not correspond to intracenter 4f⁶5d¹–4f⁷ transitions. Measurements of the excited state lifetime point to the luminescence mechanism involving charge-transfer states.