Journal of Fluorescence

, Volume 25, Issue 3, pp 541–549 | Cite as

Properties of the Energy Bands, Judd-Ofelt Parameters and the Fluorescence of Neodymium Chloride (NdCl3) in Methanol, Iso-propanol and Butanol Solvents

  • Subrata Mitra
  • Samar Jana


Absorption bands of neodymium chloride (NdCl3) dissolved in methanol, iso-propanol and butanol organic solvents at room temperature have been recorded in the ultraviolet–visible and near infrared regions between 190 and 1100 nm. Adopting a free-ion Hamiltonian we have calculated and assigned the energy multiplets of the 4f 3 electronic configuration of the Nd3+ ion, and thereby the best-fit parameters are estimated. We have measured the oscillator strengths of the observed absorptions and using the experimentally measured oscillator strengths the three Judd-Ofelt intensity parameters Ω2, Ω4 and Ω6 have been derived. Hence we have calculated the line strengths and the oscillator strengths for electric-dipole transitions. An intense fluorescence emission is found for 4F3/24I9/2 transition at 873 nm, upon excitation with 581 nm. The fluorescence characteristics are also investigated by evaluating the spontaneous transition probability (A), luminescence branching ratio (β), radiative lifetime (τ) and the stimulated emission cross section (σ).


Neodymium chloride (NdCl3Energy bands Judd-Ofelt analysis Fluorescence characteristics 



The authors express thanks to the University Grants Commission (UGC), New Delhi, India, for providing the required financial support to procure the equipments in the laboratory.


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© Springer Science+Business Media New York 2015

Authors and Affiliations

  1. 1.Department of PhysicsIndian Institute of Engineering Science and TechnologyHowrahIndia

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