Qiu-feng SHI, Lei WANG, Hai-jie GUO, et al. Luminescence Properties of Pr3+ Doped in Ba3La(PO4)3 with Vacuum Ultraviolet and X-ray Excitation[J]. Chinese journal of luminescence, 2021, 42(11): 1756-1762.
DOI:
Qiu-feng SHI, Lei WANG, Hai-jie GUO, et al. Luminescence Properties of Pr3+ Doped in Ba3La(PO4)3 with Vacuum Ultraviolet and X-ray Excitation[J]. Chinese journal of luminescence, 2021, 42(11): 1756-1762. DOI: 10.37188/CJL.20210281.
Luminescence Properties of Pr3+ Doped in Ba3La(PO4)3 with Vacuum Ultraviolet and X-ray Excitation增强出版
which makes it as a promising luminescence center of fast scintillators. Samples of Ba
3
La(PO
4
)
3
(BLP) activated with Pr
3+
were prepared through high temperature solid state method and characterized by XRD
temperature-dependent luminescence spectra upon VUV-UV and X-ray excitations and decay curves. Efficient and thermal stable Pr
3+
4f5d broad band emission with decay time of ~15 ns was observed. There is energy transfer from host to Pr
3+
4f5d upon excitation at 172 nm
however
the energy transfer is absent upon X-ray excitation which is attributed to influence of defects on surface. The results indicate that BLP∶Pr
3+
could be applied as an efficient VUV to UV-C converting material. In addition
the research is also important for designing novel fast scintillators.
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references
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