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Fast UV luminescence of Pr-doped calcium lutetium whitlockite

ECS Transactions, ISSN: 1938-5862, Vol: 41, Issue: 37, Page: 11-17
2012
  • 3
    Citations
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  • 7
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Metrics Details

  • Citations
    3
    • Citation Indexes
      3
  • Captures
    7
  • Social Media
    367
    • Shares, Likes & Comments
      367
      • Facebook
        367

Conference Paper Description

The double phosphate CaLu(PO) doped with 1 mol% of Pr was prepared by solid-state reaction. The material obtained was characterized by powder X-ray diffraction (XRD). The luminescence spectroscopy and the excited state dynamics of this material were studied upon VUV excitation using synchrotron radiation. The material has shown efficient Pr 5d-4f emission upon direct VUV excitation into 5d levels. However, the Pr 4f 5d states do not experience efficient energy transfer from the host. The decay kinetic of the Pr 5d-4f emission in this host lattice upon direct VUV excitation of 5d levels is characterized by a decay time of 17 ns with no significant rise after the excitation pulse. No significant temperature dependence of the decay time was observed within the range 8-300 K. ©The Electrochemical Society.

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