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Revealing the Spin-Hamiltonian and Characteristic Parameters of Paramagnetic Centers in Cu2+-Doped Potassium Metabisulfite (K2S2O5) Single Crystal by Electron Paramagnetic Resonance Technique

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Abstract

The present study is mainly related to finding out spin-Hamiltonian parameters of Cu2+-doped potassium metabisulfite [K2S2O5] single crystals using electron paramagnetic resonance (EPR) technique which has been applied in the temperature range from 297 to 113 K for single and powder crystals of the title compound. The existence of two complexes and two Cu2+ sites for each complex was concluded from the angular variation of the EPR spectra. Having constructed the g and the hyperfine tensors, the spin-Hamiltonian parameters have been obtained for these two complexes. Using these parameters, the covalency parameter (α 2), mixing coefficients (α and β) and Fermi contact term (K) have been calculated.

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Authors and Affiliations

  1. Department of Physics, Faculty of Arts and Sciences, Ondokuz Mayis University, Kurupelit, 55139, Samsun, Turkey

    İlkay Yıldırım

  2. Department of Computer Engineering, Faculty of Engineering, Ondokuz Mayis University, Kurupelit, 55139, Samsun, Turkey

    Bünyamin Karabulut

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  1. İlkay Yıldırım
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  2. Bünyamin Karabulut
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Correspondence to Bünyamin Karabulut.

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Yıldırım, İ., Karabulut, B. Revealing the Spin-Hamiltonian and Characteristic Parameters of Paramagnetic Centers in Cu2+-Doped Potassium Metabisulfite (K2S2O5) Single Crystal by Electron Paramagnetic Resonance Technique. Appl Magn Reson 45, 1–8 (2014). https://doi.org/10.1007/s00723-013-0493-3

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  • DOI: https://doi.org/10.1007/s00723-013-0493-3

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