Abstract
Pure and copper doped glasses with composition,x Li 2 O-(40-x)Na 2 O-50B 2 O 3-10Bi 2 O 3,have been prepared over the range 0 ≤ x ≤ 40. The electron paramagnetic resonance (EPR) spectra of Cu2+ ions of these glasses have been recorded in the X-band at room temperature. Spin Hamiltonian parameters have been calculated. The molecular bonding coefficients, α2 and β2, have been calculated by recording the optical absorption spectra in the wavelength range 200–1200 nm. It has been observed that the site symmetry around Cu2+ ions is tetragonally distorted octahedral. The density and glass transition temperature variation with alkali content shows non-linear behaviour. The IR studies show that the glassy system contains BO3 and BO4 units in the disordered manner.
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Srinivasa Rao, N., Purnima, M., Bale, S. et al. Spectroscopic investigations of Cu2+ in Li2O-Na2O-B2O3-Bi2O3 glasses. Bull Mater Sci 29, 365–370 (2006). https://doi.org/10.1007/BF02704136
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DOI: https://doi.org/10.1007/BF02704136