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Iron doped mixed alkali cadmium phosphate (LiNaCdP) glasses of the following chemical composition xLi2O + (20-x)Na2O + 20CdO + 59.5P2O5 + 0.5Fe2O3 (5 < x < 15) were prepared by melt quenching technique to study the mixed alkali eect. To manifest the mixed alkali eect, electron paramagnetic resonance and optical absorption studies were carried out at room temperature for these phosphate glasses. The physical and optical properties of these glasses have been evaluated. The results accomplished for the present glass system point out the presence of mixed alkali eect for x = 10.

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