Articles
  • Scintillation and photoluminescence properties of Prdoped CaHfO3 crystals
  • Hiroyuki Fukushima*, Daisuke Nakauchi, Noriaki Kawaguchi and Takayuki Yanagida
  • Devision of Materials Science, Nara Institute of Science and Technology, 8916-5 Takayama-cho, Ikoma, Nara 630-0192, Japan
Abstract
Pr-doped CaHfO3 bulk crystals were synthesized by the floating zone method, and the luminescence properties were investigated. We confirmed that all the samples have a single phase of CaHO3 by XRD measurement. The undoped sample indicate a broad emission around 440 nm and fast decay time constant due to the host while the Pr-doped samples show sharp peaks and slow decay time constants due to the 4f-4f transitions of Pr3+. By Pr-doping, the afterglow level became worse than that of the undoped one while the dense Pr-doping can suppress the afterglow.

Keywords: Scintillator, Photoluminescence, CaHfO3, Pr-doped, Afterglow.

This Article

  • 2019; 20(3): 211-215

    Published on Jun 30, 2019