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EPR and optical absorption studies on Cr3+ ions doped in KZnClSO4 x 3H2O single crystals
B Deva Prasad Raju1, J Lakshmana Rao, K V Narasimhulu
1Department of Physics, Sri Venkateswara University, Tirupati 517502, India.
Abstract:
EPR and optical absorption spectra of Cr3+ ions doped in KZnClSO4 x 3H2O single crystals have been studied at room temperature. The EPR spectrum exhibits a group of three fine structure transitions characteristic of Cr3+ ions. From the observed EPR spectra, the spin-Hamiltonian parameters have been determined. The optical absorption spectrum exhibits two broad bands characteristic of Cr3+ ions in an octahedral symmetry. From the observed band positions, the crystal field parameters have been evaluated.
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