Optical, scintillation and thermoluminescent properties of Eu2O3-doped K2O–La2O3–Ga2O3 glasses

Kawano, Naoki; Shinozaki, Kenji; Nakauchi, Daisuke; Kimura, Hiromi; Akatsuka, Masaki; Yanagida, Takayuki

doi:10.1016/j.radphyschem.2021.109785

Cited by 15 publications

(2 citation statements)

References 46 publications

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“…T g values were obtained in all of the PSAT glasses, indicating the formation of the glasses. (24) The T g values were almost the same for the fabricated PSAT glasses.…”

Section: Samplesmentioning

confidence: 80%

Radiation Response Characteristics of Pr3+-activated SrO–Al2O3–TeO2 Glasses

Nakamori¹,

Kawano²,

Takaku³

et al. 2022

Sensors and Materials

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We fabricated Pr 3+ -activated glasses having a composition of 10SrO-5Al 2 O 3 -85TeO 2 (PSAT) for potential use as radiation detectors, and their photoluminescence (PL) and X-ray-induced scintillation properties were then characterized. The PSAT glasses showed several emission peaks in their PL spectra owing to the 4f-4f transitions of Pr 3+ . Furthermore, they exhibited typical PL decay times (0.09-0.86 ms), where the decay originated from the 4f-4f transitions of Pr 3+ . In the scintillation spectra of the PSAT glasses, three peaks at approximately 480, 618, and 636 nm were observed. The scintillation decay times were 0.747-0.840 ms, corresponding to the 4f-4f transitions of Pr 3+ . Furthermore, the PSAT glasses showed afterglow levels of 352-521 ppm, and the lowest afterglow level (352 ppm) was comparable to that of Tl-activated CsI single crystal.

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“…T g values were obtained in all of the PSAT glasses, indicating the formation of the glasses. (24) The T g values were almost the same for the fabricated PSAT glasses.…”

Section: Samplesmentioning

confidence: 80%

Radiation Response Characteristics of Pr3+-activated SrO–Al2O3–TeO2 Glasses

Nakamori¹,

Kawano²,

Takaku³

et al. 2022

Sensors and Materials

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“…Five prominent peaks observed in the absorption spectra can be interpreted as follows: • The peak at λ ∼ 393 nm corresponds to 7 F 0 → 5 L 6 transition and arises only in Eu 3+ -doped glasses. This absorption band is forbidden by L and S selection rule, but allowed by selection rule for J (Kawano et al 2022).…”

Section: Uv-visible-nir Absorptionmentioning

confidence: 99%

Comprehensive study on structural, optical, mechanical and radiation blocking nature of Eu3+-doped bismuth tellurite glasses

D’Souza,

Murari,

Sayyed

et al. 2024

Chem. Pap.

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A novel glass system B2O3–SiO2–Bi2O3–TeO2–BaO–ZnO doped with Eu2O3 (x = 0–4 mol%) is fabricated through melt-quench technique and coded as BiTeEu-x. Density and refractive index measurements done on the glasses resulted in the increase up to 5.4377 gcm−3 and 1.99, respectively, for 4 mol% addition of Eu2O3. Vickers micro-indentation measurements done on synthesized glasses gave increasing microhardness values with Eu3+ doping due to higher bond strength of Eu–O bond compared to Te–O bond. The Phy-X/PSD simulation software utilized for obtaining radiation shielding parameters produced highest range of mass attenuation coefficient (63.878–0.036 cm2/g) and lowest range of half-value layer (0.002–3.551 cm) for the same glass proving its superiority in radiation attenuating capacity. This article addresses the theoretical analysis of photon buildup occurring inside the fabricated glasses in 0.015–15 MeV energy range with respect to different penetration depths. Neutron shielding ability of BiTeEu-4 glass was found to be impressive with fast neutron removal cross section (FNR) value of 0.10362 cm−1.

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