• S V Lakshman

      Articles written in Pramana – Journal of Physics

    • Optical absorption spectrum of Ni2+ doped in ammonium zinc sulphate

      S V Lakshman K Janardhanam

      More Details Abstract Fulltext PDF

      The optical absorption spectrum of Ni2+ ion doped in ammonium zinc sulphate has been studied at room and liquid air temperatures. From the nature and the positions of the bands a successful interpretation of all the bands could be made assumingOh symmetry for the Ni2+ ion in the crystal. The fine splitting of the3T11 band at liquid air temperature has been successfully interpreted to be due to spin-orbit interaction. The crystal field and spin-orbit parameters derived areDq=1000 cm−1;B=750 cm−1;C=3.45B andξ=600 cm−1.

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