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Updated: Mar 12, 2026

Low-energy Cathodoluminescence for OxyNitride Phosphors
Published on: November 15, 2016
Assessment of electron-vibrational interaction (EVI) parameters of YAG:Ce3+, TAG:Ce3+ and LuAG:Ce3+ garnet phosphors
1Department of Physics, Rashtrasant Tukadoji Maharaj Nagpur University, Nagpur 440033, India.
Abstract:
The electron-vibrational interaction (EVI) in 4f↔5d optical transitions of Ce3+ ions in YAG, TAG and LuAG garnet phosphors have been analysed in this work. The main EVI parameters that have been estimated and reported here are Huang-Rhys factor, effective phonon energy, Stokes shift, red shift and Zero-phonon line position. The EVI parameters were estimated from the room temperature photoluminescence results that were recently reported. The spectrum fitting method was employed to determine the EVI parameters. An emission band was modelled with the aid of the calculated EVI parameters. The agreement between the modelled emission bands with the experimentally obtained ones validated the estimated values of EVI parameters.
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