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Scintillation and luminescence properties of Sm3+-activated Lu2O3-CaO-SiO2-B2O3 (LuCSB) scintillating glasses

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Abstract

Lutetium (Lu) is a high atomic number material and readily interacts with X-rays, which makes it a good scintillation material. In this work, Lu-glass scintillators from the series xSm2O3: 25Lu2 O3: 10SiO2: 10CaO: (55-x)B2O3 (LuCSB) were synthesized at 1500 ◦ C by using a simple melt quenching technique. The influence of the Sm3+ ion on their physical, optical, photo-, X-rayand proton-induced properties has been characterized. The amorphous nature of the samples was confirmed by using X-ray diffraction. The density and the molar volume were found to be increased at higher concentrations of Sm3+. The X-ray- and the proton-induced emission spectra of the Sm3+:LuCSB glasses showed an intense reddish-orange emission around 604 nm (4G5/2 → 6H7/2), which matched the photoluminescence (PL) emission spectrum well. Among the prepared glasses, the 1.0-mol% Sm3+ ion-activated LuCSB glass exhibited the highest value of the characteristic emission parameters. The X-ray-induced luminescence of the LuCSB glass was also compared with that of a commercial bismuth germinate Bi4Ge3O12 (BGO) crystal.

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Authors and Affiliations

  1. Center of Excellence in Glass Technology and Materials Science (CEGM), Nakhon Pathom Rajabhat University, Nakhon Pathom, 73000, Thailand

    K. Kirdsiri & J. Kaewkhao

  2. Department of Physics, Kyungpook National University, Daegu, 41566, Korea

    J. M. Park & D. H. Ha

Authors
  1. K. Kirdsiri
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  2. J. Kaewkhao
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  3. J. M. Park
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  4. D. H. Ha
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Correspondence to K. Kirdsiri.

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Kirdsiri, K., Kaewkhao, J., Park, J.M. et al. Scintillation and luminescence properties of Sm3+-activated Lu2O3-CaO-SiO2-B2O3 (LuCSB) scintillating glasses. Journal of the Korean Physical Society 69, 1094–1097 (2016). https://doi.org/10.3938/jkps.69.1094

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  • DOI: https://doi.org/10.3938/jkps.69.1094

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