Characterization of optically-stimulated luminescence properties by NaCl:Eu2+ crystal and the thermal response

Okada, Go; Motoki, Shuta; Sakamoto, Mune aki; Kusano, Eiji; Yada, Ryuichi; Fujimoto, Yutaka; Yanagida, Takayuki; Nanto, Hidehito

doi:10.1016/j.jallcom.2020.158561

Cited by 10 publications

(4 citation statements)

References 32 publications

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“…The TSL glow curve measurement, preheating technique, isothermal decay curve, and the photobleaching effect were demonstrated previously. (12,21,22) In particular, for characterizing OSL properties, a luminescence decay curve during constant wave (CW) stimulation, the heat-treatment effect, and the temperature dependence can be measured. These measurements were previously performed when characterizing OSL properties of NaCl:Eu (12) by using the TORAIMS.…”

Section: Methodsmentioning

confidence: 99%

“…(12,21,22) In particular, for characterizing OSL properties, a luminescence decay curve during constant wave (CW) stimulation, the heat-treatment effect, and the temperature dependence can be measured. These measurements were previously performed when characterizing OSL properties of NaCl:Eu (12) by using the TORAIMS. RPL involves the generation of a luminescence center by ionizing radiation, so the RPL properties are typically characterized by photoluminescence (PL) measurement.…”

Section: Methodsmentioning

confidence: 99%

“…Earlier studies have pointed out that scintillation and storage luminescence (TSL and OSL) are inversely correlated in some phosphor materials, and TSL and OSL phenomena often share common trapping centers. (11)(12)(13) For these reasons, for a detailed understanding of the luminescence mechanism, it is important to comprehensively study these luminescence properties. Conventionally, these properties are measured individually by separate systems.…”

Section: Introductionmentioning

confidence: 99%

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TSL/OSL/RPL Automated and Integrated Measurement System (TORAIMS)

Okada¹,

Hirasawa²,

Yanagida³

et al. 2021

Sensors and Materials

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Thermally stimulated luminescence (TSL), optically stimulated luminescence (OSL), and radio-photoluminescence (RPL) are radiation-induced luminescence phenomena, and they are widely used for radiation dosimetry today. Despite their successful applications, the R&D of conventional and new phosphor materials is still actively performed in a wide range of research fields from basic science to application. Although these phenomena are considered to be different, they share common physical processes such as the generation, trapping, and transfer of electronic charges. In order to have a deeper look into these phenomena, it is important to comprehensively characterize those of a single material. For this, we have constructed a prototype TSL/OSL/RPL automated and integrated measurement system (TORAIMS), and then the system performance has been studied. The system offers automated and integrated measurement of several different TSL, OSL, and RPL properties, and it is also designed to cover many different phosphor materials having a wide variety of spectroscopic properties.

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Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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TSL/OSL/RPL Automated and Integrated Measurement System (TORAIMS)

Okada¹,

Hirasawa²,

Yanagida³

et al. 2021

Sensors and Materials

Self Cite

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“…[ 10 ] Many recent studies have concentrated on the luminescence dosimetric properties of NaCl salt crystals in various forms as a potential prospective dosimeter. [ 11–15 ] Compressing NaCl salt into pellets makes it easier to handle, enhances reproducibility, produce higher weight‐normalized signals as compared to grains of salt and supports the potential use of NaCl for prospective dosimetry. [ 7,13,16–18 ]…”

Section: Introductionmentioning

confidence: 95%

Dosimetric properties of thermoluminescent NaCl pellets from Khewra Salt Mines, Pakistan

et al. 2022

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Thermoluminescence (TL) and extended dosimetric characteristics of naturally occurring sodium chloride (NaCl) salt were studied. Pellets were prepared from mined crystalline salt obtained from Khewra Salt Mines, Pakistan and irradiated from 1 mGy to 10,000 mGy using cobalt-60 gamma source. The TL response showed two dominant peaks around 125 C and 230 C, respectively, at low doses, with an additional peak in between at doses beyond 300 mGy. A linear and supra-linear TL response was observed between 1 mGy-100 mGy and 100 mGy-10 Gy dose ranges, respectively.During the first 24 h post-irradiation, the TL intensity dropped by 20%. A maximum angular dependence of up to 50% was observed between 0 to 360 . For photon

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Insight into the structural, mechanical and optical properties of NaCl:Tb crystals for the WLED and TLD applications

Meng

Hong-wei

et al. 2023

Ceramics International

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Characterization of optically-stimulated luminescence properties by NaCl:Eu2+ crystal and the thermal response

Cited by 10 publications

References 32 publications

TSL/OSL/RPL Automated and Integrated Measurement System (TORAIMS)

TSL/OSL/RPL Automated and Integrated Measurement System (TORAIMS)

Dosimetric properties of thermoluminescent NaCl pellets from Khewra Salt Mines, Pakistan

Insight into the structural, mechanical and optical properties of NaCl:Tb crystals for the WLED and TLD applications

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