Optical and luminescence properties of Nd3+ ions in K–Ba–Al-phosphate and fluorophosphate glasses
作者： R Balakrishnaiah , P Babu , C K Jayasankar , A S Joshi , A Speghini
DOI: 10.1088/0953-8984/18/1/012
关键词: Chemistry 、 Phosphate glass 、 Analytical chemistry 、 Luminescence 、 Photoluminescence 、 Radiative transfer 、 Doping 、 Mineralogy 、 Ion 、 Absorption spectroscopy 、 Excited state
摘要: Phosphate (PKBAN: P2O5+K2O +BaO +Al2O3+Nd2O3) and fluorophosphate (PKBFAN: +BaF2+Al2O3+Nd2O3 PKBAFN: +Al2O3+AlF3+Nd2O3) glasses were prepared with three concentrations (0.1, 1.0 2.0 mol%) of Nd3+ ions their detailed luminescence properties have been investigated. Absorption spectra for 1.0 mol% Nd3+-doped analysed using Judd–Ofelt (JO) theory. The observed bands in absorption from ground to excited states are assigned the parameterized free-ion Hamiltonian model. JO parameters used predict radiative (J = 15/2, 13/2, 11/2 9/2) transitions these glasses. Inokuti–Hirayama model has applied non-exponential behaviour decay profiles investigate mechanism involved energy transfer between donors acceptors.
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