Growth and luminescent properties of the Ce, Pr doped NaCl single crystals grown by the modified micro-pulling-down method

Yuui Yokota, Takayuki Yanagida, Yutaka Fujimoto, Martin Nikl, Akira Yoshikawa

Research output: Contribution to journalArticlepeer-review

16 Citations (Scopus)

Abstract

We have investigated luminescent properties of nondope, Ce and Pr doped NaCl [nondope NaCl, Ce:NaCl, Pr:NaCl] single crystals grown by a modified micro-pulling-down method with a removable chamber system. Nondope, Ce 1% and Pr 1% doped NaCl crystals with a single phase of NaCl structure were obtained and the crystals indicated general crystal quality by the X-ray rocking curve measurement. For the nondope NaCl and Pr:NaCl crystals, the transmittance spectra indicated almost more than 60% in the wavelength from 200 to 800 nm and an absorption of Ce3+ ion was observed in the transmittance spectrum of Ce:NaCl crystal. The emission spectrum originated from Ce3+ 5d-4f transition appeared around 300 nm in the photoluminescence spectrum and the decay time was 19.7 ns.

Original languageEnglish
Pages (from-to)472-474
Number of pages3
JournalRadiation Measurements
Volume45
Issue number3-6
DOIs
Publication statusPublished - 2010 Mar

Keywords

  • Crystal growth
  • Luminescence
  • Scintillator

ASJC Scopus subject areas

  • Radiation
  • Instrumentation

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