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- W1978765319 abstract "A spectroscopic characterization of Er3+-doped SrAl2O4 phosphor materials synthesized by a solid-state reaction method with Er concentrations varying from 0.1 to 1 mol% has been performed by studying photoluminescence (PL) in the temperature range 10 to 360 K and absorption spectra. PL signals containing five emission bands at 1492, 1529, 1541, 1558, and 1600 nm, respectively, have been observed at room temperature for Er3+ transitions in the near infrared region. The samples exhibit a main luminescence peak at 1.54 µm, which is assigned to recombination via an intra-4f Er3+ transition. Sharp bands centered at around 378, 488, 521, 651, 980, 1492, and 1538 nm in the absorption spectra can be associated with transitions from 4I15/2 level to 2H9/2, 4F7/2, 2H11/2, 4F9/2, 4I11/2, 2H11/2, and 4I13/2 levels, respectively. The sharp emission peaks and excellent luminescence properties show that SrAl2O4 is a suitable host for rare-earth-doped phosphors, which may be suitable for optical applications." @default.
- W1978765319 created "2016-06-24" @default.
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- W1978765319 date "2012-04-01" @default.
- W1978765319 modified "2023-10-16" @default.
- W1978765319 title "Absorption and photoluminescence spectroscopy of Er<sup>3+</sup>-doped SrAl<sub>2</sub>O<sub>4</sub>ceramic phosphors" @default.
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- W1978765319 doi "https://doi.org/10.1080/09500839.2011.652685" @default.
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