Single crystal EPR study of Mn(II)-doped magnesium potassium Tutton's salt |
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| Institution: | 1. School of Food and Biological Engineering, Jiangsu University, 212013 Zhenjiang, Jiangsu, China;2. Institute of Food Physical Processing, Jiangsu University, 212013 Zhenjiang, Jiangsu, China;3. College of Food Science and Technology, Hebei Agricultural University, Baoding 071001, Hebei, China |
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| Abstract: | Single crystal EPR studies of Mn(II)-doped magnesium potassium Tutton's salt, MgK2(SO4)2.6H2O, was studied at room temperature. The spin-Hamiltonian parameters obtained are: g=2.0036(3), A = ?96(3), D = 350(5), a = 14(2) and F = ?5(1) (A, D, a and F are in units of 10?4 cm?1). The tetragonal distortion axis corresponds to one of the MgO bond directions. The zero-field splitting parameter (D) shows a linear dependence in the temperature range 77–370 K. The percentage of covalency of the MnO bond has been estimated to be 8 per cent. |
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