Abstract
Single crystals of nickel-doped sodium potassium sulphate were grown by slow evaporation method at room temperature. From the nature and position of the bands observed, a successful interpretation of all the observed bands could be made assuming the octahedral symmetry for the Ni2 + ion in the crystal. The bands have been ascribed to transitions from the ground3A2g(F) state to the excited3T2g(F),1Eg(D),3T1g(F),1T2g(D) and3T1g(P) states. The experimental and calculated energies are in good agreement. The crystal field parameters derived areDq= =880 cm−1,B= 900cm−1 andC=3600 cm−1.
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One of the authors, Sujatha John expresses her thanks to the Secretary and the Principal, R. B. V. R. Reddy College, Hyderabad for according her permission to pursue the M. Phil. course.
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Reddy, B.C.V., Kumar, R.R. & John, S. Optical absorption spectrum of Ni2+ ions doped in sodium potassium sulphate single crystal. Czech J Phys 41, 92–96 (1991). https://doi.org/10.1007/BF01606402
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DOI: https://doi.org/10.1007/BF01606402