Fast and High-Energy-Resolution Oxide Scintillator: Ce-Doped (La,Gd)2Si2O7

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Published 9 October 2012 • ©2012 The Japan Society of Applied Physics
, , Citation Akira Suzuki et al 2012 Appl. Phys. Express 5 102601 DOI 10.1143/APEX.5.102601

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Author affiliations

1 Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan

2 New Industry Creation Hatchery Center (NICHe), Tohoku University, Sendai 980-8579, Japan

3 Institute of Physics, AS CR, Cukrovarnická 10, 162 53 Prague, Czech Republic

Dates

  1. Received 29 August 2012
  2. Accepted 20 September 2012
  3. Published

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Abstract

A novel scintillation crystal (Ce0.01,Gd0.90,La0.09)2Si2O7 (Ce:La-GPS) was grown by the floating zone method, and its optical and scintillation properties were investigated. The emission wavelength of this material was 390 nm. Gamma ray excited pulse height and scintillation decay measurement showed that Ce:La-GPS had a high energy resolution (FWHM) of 5% at 662 keV, high light output of 36,000 photons/MeV and fast scintillation decay time of 46 ns.

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10.1143/APEX.5.102601