Fast 5d → 4f luminescence of Pr3+ in Lu2SiO5 single crystal host
作者： M. Nikl , H. Ogino , A. Yoshikawa , E. Mihokova , J. Pejchal
DOI: 10.1016/J.CPLETT.2005.04.115
关键词: Thermal ionization 、 Ionization 、 Luminescence 、 Spectral line 、 Photoluminescence 、 Atomic physics 、 Excited state 、 Absorption (electromagnetic radiation) 、 Single crystal 、 Chemistry
摘要: Abstract Absorption and photoluminescence spectra including the decay kinetics of Pr 3+ -doped Lu 2 SiO 5 were measured. Fast luminescence originating from radiative 5d → 4f transition center is revealed with maximum at 273 nm room temperature. Low temperature governed by 25 ns decay, while substantial shortening to 6–7 ns occurs With help slow measurement in millisecond time scale we evidence thermal ionization relaxed excited 5d 1 state . The can explain observed dependences times emission intensity.
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