Abstract
The Electron spin resonance (ESR) study of Cu 2+-doped Bis( l-asparaginato)zinc(II) has been done at room temperature. Two magnetically equivalent sites for Cu 2+ have been observed. The spin-Hamiltonian parameters evaluated with the fitting of spectra to rhombic symmetry crystalline field are g x = 2.0341 ± 0.0002 , g y = 2.0649 ± 0.0002 , g z = 2.2390 ± 0.0002 , A x =(51±2)×10 −4 cm −1, A y =(75±2)×10 −4 cm −1and A z =(169±2)×10 −4 cm −1. The ground state wave function of Cu 2+ has also been determined. The g-anisotropy has been estimated and compared with the experimental value. Further with the help of optical study, the nature of bonding of metal ion with different ligands in the complex has been discussed.
Published Version
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