Spectroscopic studies on Pr3+ doped YPO4 and LuPO4 upon vacuum ultraviolet (VUV) and synchrotron radiation excitation
Chemical Physics(2022)
摘要
This work concerns the spectroscopic properties of micro-and nanoscale LuPO4:Pr3+ and microscale YPO4:Pr3+ upon excitation by VUV synchrotron radiation at a wide range of energies (5-45 eV) and two different tem-peratures (7 and 300 K). Both Pr3+ doped host materials show more intense UV-C emission than other Pr3+ phosphors studied earlier at FinEstBeAMS beamline under the same measurement conditions. The various relaxation processes of 5d(1)4f(1) -> 4f(2) interconfigurational transitions of Pr3+ and the difference between both hosts are discussed in detail.
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关键词
Scintillator,Synchrotron radiation,VUV spectroscopy,UV-C luminescence,5d-4fPr(3+) transitions,Time resolved luminescence spectroscopy,Temperature dependent and time resolved,spectroscopy
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