Abstract
Novel SrGd1.94Dy0.06O4 materials were synthesized via auto-combustion method. The structural and luminescence properties of as-prepared phosphors were examined with the help of XRD, FESEM, TEM, PL and TL techniques. The orthorhombic phase formation with space group Pnam was confirmation by XRD studies. The granular morphology of as-synthesized SrGd1.94Dy0.06O4 samples was unfolded by FESEM and TEM studies. Upon 276 nm UV excitation, SrGd1.94Dy0.06O4 phosphors showed intense bluish-white emission. The TL glow curve of SrGd1.94Dy0.06O4 irradiated with γ-rays exhibit a broad TL profile with the maxima at 248°C. The linear TL dose is observed in a wide dose range 80 Gy-2 kGy. Intense blue emission, linear dose response and high reproducibility of SrGd1.94Dy0.06O4 samples revealed its promising applicability in display devices and TL dosimetry.
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