Abstract
Electron paramagnetic resonance (EPR) study of Cu2+-doped sodium zinc sulfate tetrahydrate is done at liquid nitrogen temperature. Two magnetically equivalent sites for Cu2+ are observed. The spin-Hamiltonian parameters determined by fitting the EPR spectra to the rhombic-symmetry crystalline field are g x = 2.2356, g y = 2.0267, g z = 2.3472, A x = 27 × 10−4 cm−1, A y = 54 × 10−4 cm−1and A z = 88 × 10−4 cm−1. The ground state wave function is also determined. The g-anisotropy is evaluated and compared with the experimental value. With the help of optical study, the nature of bonding in the complex is discussed.
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Acknowledgments
We are grateful to the Head of the Department of Physics, University of Allahabad for providing departmental facilities. We are also thankful to S.A.I.F., IIT Powai, Mumbai for providing EPR spectrometer facilities. S.S. is grateful to the University Grants Commission, New Delhi for providing Senior Research Fellowship.
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Kripal, R., Shukla, S. EPR and Optical Study of Cu2+ Ions Doped in Sodium Zinc Sulfate Tetrahydrate Single Crystals. Appl Magn Reson 41, 95–105 (2011). https://doi.org/10.1007/s00723-011-0246-0
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DOI: https://doi.org/10.1007/s00723-011-0246-0