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  • Title: [Luminescence of Sr2Mg(BO3)2:Tb3+ under vacuum ultraviolet excitation].
    Author: Lin HH, Liang HB, Su Q, Zhang GB.
    Journal: Guang Pu Xue Yu Guang Pu Fen Xi; 2011 Jul; 31(7):1743-6. PubMed ID: 21942015.
    Abstract:
    The phosphors of Tb3+ activated Sr2 Mg(B03)2 were prepared by high temperature solid-state reaction technique. The phase purity was characterized by the powder X-ray diffraction (XRD). The luminescence properties in VUV-Vis range as well as the decay curves were investigated. The results demonstrate that the band near 178 nm in the VUTV excitation spectra is ascribed to the host-related absorption. The bands of lowest spin-allowed and spin-forbidden f--d transition are located at 235 and 278 nm, respectively. The strongest emission is at 543 nm upon 172 nm excitation and with the color coordinate (0.30, 0.45). The decay time is about 2.8 ms.
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