2021
DOI: 10.18494/sam.2021.3315
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Scintillation Properties of Dy-doped 50NaPO3–50Al(PO3)3 Glasses

Abstract: 0.5, 1.0, 5.0, and 10.0 mol% Dy-doped 50NaPO 3 -50Al(PO 3 ) 3 glasses were synthesized by the melt-quenching method. All the samples had a high transmittance of up to 90% at visible wavelengths, and some intense emission lines were observed in their photoluminescence and scintillation spectra. When the glasses were irradiated with X-rays with various doses, a linear relationship between the irradiation dose and the thermally stimulated luminescence intensity was confirmed from 10 to 10000 mGy.

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Cited by 16 publications
(14 citation statements)
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“…Scintillators are a type of phosphor that immediately converts ionizing radiation into lowenergy photons in UV-NIR regions. (1)(2)(3) Scintillation detectors are mainly composed of scintillators and photodetectors, (4) and ionizing radiation can be detected as electric signals since scintillation photons are converted into electrons through photodetectors. For X-and γ-ray detector uses, the following properties are generally required: high light yields (LY), large effective atomic number (Z eff ), high density, short scintillation decay time, low afterglow, and low fabrication costs.…”
Section: Introductionmentioning
confidence: 99%
“…Scintillators are a type of phosphor that immediately converts ionizing radiation into lowenergy photons in UV-NIR regions. (1)(2)(3) Scintillation detectors are mainly composed of scintillators and photodetectors, (4) and ionizing radiation can be detected as electric signals since scintillation photons are converted into electrons through photodetectors. For X-and γ-ray detector uses, the following properties are generally required: high light yields (LY), large effective atomic number (Z eff ), high density, short scintillation decay time, low afterglow, and low fabrication costs.…”
Section: Introductionmentioning
confidence: 99%
“…(3) In general, an X-or γ-ray scintillator requires a high scintillation light yield (LY), short decay time, high energy resolution, high density, large effective atomic number, and low afterglow. Therefore, there has been continuous R&D to develop more desirable materials in single crystal, (4)(5)(6)(7)(8)(9)(10)(11)(12) ceramic, (13)(14)(15) glass, (16)(17)(18)(19) and liquid forms. (20)(21)(22) A high density and a large effective atomic number are important for obtaining large cross sections against X-and γ-rays; (23) thus, pyrochlore rare-earth hafnates (RE 2 Hf 2 O 7 , RE: rare earth) are potential scintillators with high density (9.0 and 9.7 g/cm 3 for Gd 2 Hf 2 O 7 and Lu 2 Hf 2 O 7 , respectively (24) ) and large effective atomic numbers (66-69).…”
Section: Introductionmentioning
confidence: 99%
“…To date, the scintillation properties of oxide glasses have been studied by many researchers, (25)(26)(27)(28)(29)(30)(31) whereas those of non-oxide glasses have not been studied extensively. Recently, there have been a few reports on the scintillation properties of non-oxide glasses such as AEF 2 -Al 2 O 3 -B 2 O 3 (AE = Ca, Sr, Ba), (32)(33)(34) (35) CeCl 3 -CsCl-CsPO 3 -Al(PO 3 ) 3 , (36) and CsCl-BaCl 2 -ZnCl 2 .…”
Section: Introductionmentioning
confidence: 99%