Synthesis and characterization of Y2(SiO4)O:Ce with LiF and NaF additives

Nikoletta Laczai, Ágnes Péter, László Kovács, László Bencs, Emoke Lorincz

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Polycrystalline, cerium-doped yttrium oxyorthosilicate (Y1.99Ce0.01SiO5, YSO:Ce) scintillator materials have been synthesized and characterized. The samples have been prepared using a mixed-powder route with LiF and NaF additives. The final reaction products have been analyzed for phase purity by X-ray powder diffraction (XRD) and Raman spectroscopy. The concentration of the additives and the temperature of the thermal treatment have strongly effected the formation of the desired high-temperature (X2-YSO) phase. The best yield for X2-YSO has been obtained with the application of 18 mol% LiF at 1400 °C. Samples obtained in this way also showed the highest luminescence yield (intensity per irradiating photon), which was attributed to the effect of Li+on the formation of the X2-YSO phase.

Original languageEnglish
Pages (from-to)23-29
Number of pages7
JournalSolid State Sciences
Volume45
DOIs
Publication statusPublished - May 10 2015

Keywords

  • Luminescence
  • Polymorphism
  • Raman spectroscopy
  • Solid state reaction
  • Yttrium silicates

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

Fingerprint Dive into the research topics of 'Synthesis and characterization of Y<sub>2</sub>(SiO<sub>4</sub>)O:Ce with LiF and NaF additives'. Together they form a unique fingerprint.

  • Cite this