Low-temperature time-resolved VUV luminescence spectroscopy of SrF2: Er3+ crystals |
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| Authors: | K. V. Ivanovskikh V. A. Pustovarov B. V. Shul’gin M. Kirm |
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| Affiliation: | (1) Ural State Technical University, ul. Mira 19, Yekaterinburg, 620002, Russia;(2) Institute of Physics, Tartu University, Riia 142, Tartu, 51014, Estonia |
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| Abstract: | Time-resolved excitation and emission spectra of SrF2: Er3+ upon selective excitation with synchrotron radiation in the VUV and ultrasoft x-ray ranges at T = 8 K were studied. The VUV luminescence of SrF2: Er3+ derives from high-energy interconfiguration 4f105d-4f11 transitions in the Er3+ ion. The VUV emission spectrum revealed, in addition to the 164.5-nm band (millisecond-range kinetics), a band at 146.4 nm (with a decay time of less than 600 ps). The formation of excitation spectra for the f-f and f-d transitions in the Er3+ ion is discussed. |
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