ESR study of vanadyl ion in trisodium citrate pentahydrate |
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Authors: | T Bhaskar Rao M Venkateshwarlu |
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Institution: | Department of Physics, Kakatiya University, Warangal 506 009 (A.P.), India |
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Abstract: | ESR study of VO2+ doped trisodium citrate pentahydrate is undertaken at room temperature. The observed spectra are correlated with the available crystal structure data and are fitted to a spin Hamiltonian of orthorhombic symmetry with gx = 1.998 ± 0.001, gy = 1.992 ± 0.001, gz = 1.934 ± 0.001, Ax = (70.0 ± 1) × 10-4cm-1, Ay = (66.6 ± 1) × 10-4cm-1 and Az = (175.4 ± 1) × 10-4cm-1. The covalency and Fermi contact parameters are evaluated and compared with those of VO2+ in other lattices. |
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