Investigation on Comparative Optical Absorption and Luminescent Property of Cerium Doped Potassium Halide Single Crystals

Authors

  • S. Bangaru  Department of Physics, Arignar Anna Government Arts College, Namakkal, India
  • D. Roobanguru   Department of Physics, Arignar Anna Government Arts College, Namakkal, India
  • V. Shanmugam   Department of Physics, Arignar Anna Government Arts College, Namakkal, India

Keywords:

Ce3+, Photoluminescence, Thermoluminescence, X-ray irradiation

Abstract

The comparison of Optical absorption, Photoluminescence (PL), Thermoluminescence (TL) and other optical studies of X-ray irradiated Ce3+ doped KBr and KI single crystals were discussed. Photoluminescence of these crystals exhibits characteristic Ce3+ emission due to 5d-4f transition in both the studied material in addition to the host emission. Optical absorption and PL studies confirm the presence of Cerium ions in the trivalent state in both KBr and KI host .The characteristic emission due to Ce3+ ions in the spectral distribution under optically stimulated emission and TL emission confirms the participation of Cerium ions in the recombination process in both host material. Trap parameters for the TL process are calculated and compared.

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International Journal of Scientific Research in Science, Engineering and Technology

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Published

2016-06-30

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Volume 2, Issue 3, May-June-2016

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Research Articles

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[1]
S. Bangaru, D. Roobanguru ,V. Shanmugam , " Investigation on Comparative Optical Absorption and Luminescent Property of Cerium Doped Potassium Halide Single Crystals, International Journal of Scientific Research in Science, Engineering and Technology(IJSRSET), Print ISSN : 2395-1990, Online ISSN : 2394-4099, Volume 2, Issue 3, pp.402-409, May-June-2016.