VUV spectroscopy of pure and Sm2+ doped SrFCl crystals

V Kisand, R Kink, I Kink, R Jaaniso, Indrek Martinson

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4 Citations (SciVal)


The creation and relaxation of electronic excitations in pure crystalline SrFCl and Sm2+ doped SrFCl were investigated using vacuum ultraviolet (VUV) spectroscopic methods. In the emission spectra of pure SrFCl and SrFCl: Sm2+ a strong emission band in the vicinity of 4.7 eV was detected, connected to self-trapped exciton (STE) having a Cl-2(-) core. The threshold for creation of STE was detected at 8.5 eV in the excitation spectrum of pure SrFCl and at 7.6 eV for Sm2+ doped SrFCI. It was demonstrated that the excitation spectrum of Sm2+ emission is determined with direct excitation of a Sm2+ center below 7.6 eV and with excitation of the SrFCl host above 7.6 eV. (C) 2003 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Original languageEnglish
Pages (from-to)246-250
JournalPhysica Status Solidi. B: Basic Research
Issue number1
Publication statusPublished - 2003

Subject classification (UKÄ)

  • Physical Sciences


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