Abstract
A Taylor-series expansion of the intermediate coupling energy levels for the U4+(5f2) has been developed for the first time by using the mathematical procedures of Racah. The partial derivatives, eigenvalues and eigenfunctions reported in this paper will be of great use in analysing the optical spectral properties of the tetravalent uranium doped crystalline or non-crystalline materials. The usefulness of the Taylor serier expansion has been verified by examining the optical absorption results of the U4+ doped fluoride glasses. The physical properties, namely the refractive index and density, were also determined.
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Our thanks are due to Prof. S. V. J. Lakshman for his kind cooperation and support in the present work. We are also thankful to the technical staff of the Hull University, Physics Department, UK in the preparation and measurement of various physical properties of the U4+ doped alkali mixed heavy metal based fluoride glass systems.
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Damarupani, V.D., Buddhudu, S., Subramanyam, Y. et al. Spectral analysis of uranium glasses. Czech J Phys 41, 85–91 (1991). https://doi.org/10.1007/BF01606401
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DOI: https://doi.org/10.1007/BF01606401