EPR studies of Cu2+ in tetraaqua-di(nicotinamide) Zn(II)-saccharinate single crystals.
Electron paramagnetic resonance (EPR) studies of copper ions, Cu(II), as paramagnetic impurity in tetraaqua-di(nicotinamide) Zn(II)-saccharinates single crystals [Zn(nic)2(H2O)4](sac)2, have been investigated at ambient temperature. The detailed EPR analysis shows the only one site and the copper ion entered the lattice substitutionally in place of Zn(II). The spin-Hamiltonian parameters were obtained from the single crystal EPR analysis. By using the EPR data, molecular bonding coefficient and the Fermi contact interaction terms have been evaluated. Superhyperfine splittings were observed.
Yerli
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Department of Physics, Faculty of Science, Gebze Institute of Technology, 41400 Gebze, Turkey. yyerli@gyte.edu.tr
D003198:Computer Simulation; D003300:Copper / Q000737:chemistry*; D003460:Crystallization; D004578:Electron Spin Resonance Spectroscopy; D008280:Magnetics; D009536:Niacinamide / Q000031:analogs & derivatives* / Q000737:chemistry; D009942:Organometallic Compounds / Q000737:chemistry*; D013696:Temperature
D009942:Organometallic Compounds; C519791:tetraaqua-di(nicotinamide) Zn(II)-saccharinate; D009536:Niacinamide; D003300:Copper