Single Crystal Growth and Co-doping Effects of Lanthanum Substituted Gadolinium Pyrosilicate Scintillator

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Abstract

Ca 100, 200, 500, 1000 and 3000 at. ppm co-doped (Ce0.01,La0.3Gd0.69)2Si2O7 single crystals were grown by the μ-PD method. Luminescence and scintillation properties such as radioluminescence spectra, light yield and decay time were evaluated. Expected Ce3+ 4f5d emission have been observed in 350-430nm peaking at 360nm. Emission intensity took maximum at the Ca 100at.ppm co-doped sample and decreased by increasing the Ca concentration. The Ca 100at.ppm co-doped sample showed the highest light yield of around 20,000 photons/MeV. Scintillation decay time was accelerated with increasing Ca concentration. Scintillation decay time of the Ca 0, 100, 200, 1000 and 3000 at. ppm co-doped samples were 66.5ns(21%) 468ns(79%) and 44.0ns(22%) 430ns(78%), respectively.

Original languageEnglish
Article number012034
JournalJournal of Physics: Conference Series
Volume619
Issue number1
DOIs
Publication statusPublished - 2015 Jun 17
Event6th International Conference on Optical, Optoelectronic and Photonic Materials and Applications, ICOOPMA 2014 - Leeds, United Kingdom
Duration: 2014 Jul 272014 Aug 1

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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