Abstract
Erbium-doped manganese potassium borate glasses have been synthesized to study their physical, structural, optical and thermoluminescence properties. These glasses were prepared by melt quenching technique and characterized by using various techniques X-ray diffraction (XRD), Fourier transform infrared (FTIR), UV-visible (UV) and thermoluminescence (TL). Through FTIR spectroscopy the presence of various structural units has been studied. From Kubelka- Munk method, the optical band gap energy (Eopt) corresponding to the allowed direct and indirect transitions and the Urbach energy (E) values of the prepared glasses were determined. The impact of different concentration of Er2O3 on the TL intensity of the glass samples has been analyzed. The recorded glow curves show a single prominent peak around 398–422 K and the trapping parameters exhibit the kinetics of second order. With a good linear correlation coefficient, the glass sample E5 is a suitable candidate for medical and personal radiation measurements purposes.
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