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Photoluminescence Studies of Pr3+ Doped Lead Germanate Glass

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Abstract

The Pr3+doped PbO-GeO2 glass samples have been synthesized by melting and quenching process. The nephelauxetic ratio, covalency and bonding parameter which provides the information about the type of bonding between the rare earth ion and neighbor oxygen atoms calculated. The optical parameters such as radiative transition probabilities, radiative lifetime, branching ratios etc. of Pr3+ ions have been determined by Judd-Ofelt analysis. An upconversion emission using the excitation at ~594 nm supported by energy transfer process due to dipole-dipole interaction in the 1D2 metastable state has been found.

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Acknowledgement

Authors are grateful to Department of Science and Technology, New Delhi and Indian School of Mines, Dhanbad, India for their financial assistance.

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Correspondence to Vineet Kumar Rai.

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Mohanty, D.K., Rai, V.K. Photoluminescence Studies of Pr3+ Doped Lead Germanate Glass. J Fluoresc 21, 1455–1460 (2011). https://doi.org/10.1007/s10895-010-0830-y

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  • DOI: https://doi.org/10.1007/s10895-010-0830-y

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