Journal of Guangxi Normal University(Natural Science Edition) ›› 2011, Vol. 29 ›› Issue (2): 71-75.

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Fluorescence Decay Dynamics of Praseodymium Ions Doped in Lead Tungstate Crystal

XIONG Fei-bing1,2, YANG Feng3   

  1. 1.Fujian Institute of Research on the Structure of Matter,Chinese Academy of Sciences,Fuzhou Fujian 350002,China;
    2.Department of Physics and Mathematics,Xiamen University of Technology,Xiamen Fujian 361024,China;
    3.College of Chemistry and Chemical Engineering,Guangxi Normal University,Guilin Guangxi 541004,China
  • Received:2011-01-16 Published:2018-11-19

Abstract: Fluorescence decay curves of the 3P0 and1D2 manifolds in Pr3+ doped PbWO4 crystal were measured at room temperature and fluorescence lifetimes of both manifolds were estimated.Combining with the radiative lifetimes of those manifolds calculated on the basis ofthe modified J-O theory,the fluorescence decay dynamics of those manifolds were analyzed.The multi-phonon relaxation and the cross-relaxation energy transfer are the major nonradiative relaxation for the excited 3P0 and 1D2 manifolds,respectively.The Inokuti-Hirayama model was used to analyze the fluorescence decay curve of the 1D2 manifold and the cross-relaxation of dipole-dipole interaction was confirmed.

Key words: fluorescence decay dynamics, Pr3+-doped PbWO4, non-radiative relaxation

CLC Number: 

  • O433.1
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