Abstract
Optical, TSL, and OSL Properties of Copper-doped Cesium Bromide Transparent Ceramics Prepared by SPS
Highlights
Bulk inorganic phosphors have been utilized to measure ionizing radiation, and they are mainly classified into scintillators and storage phosphors.[1]. Scintillators convert ionizing radiation such as X- and γ-rays into numerous ultraviolet–visible photons, the converted photons can be detected by photodetectors such as photodiodes and photomultiplier tubes
Bulk inorganic phosphors have been used in various fields, including security,(2) medical imaging,(3) well logging,(4) astrophysics,(5) and particle physics.[6]. On the other hand, storage phosphors temporarily store the incident radiation dose, and the stored energy can be released by external simulation to emit photons
The photons obtained by the stimulation of heat or light are called thermally stimulated luminescence (TSL) and optically stimulated luminescence (OSL), respectively.[7]. Since the TSL and OSL intensities are proportional to the incident radiation dose, storage phosphors are used for personal dose monitoring[8,9,10,11,12,13] and imaging plates.[14,15,16,17,18,19]
Summary
Bulk inorganic phosphors have been utilized to measure ionizing radiation, and they are mainly classified into scintillators and storage phosphors.[1] Scintillators convert ionizing radiation such as X- and γ-rays into numerous ultraviolet–visible photons, the converted photons can be detected by photodetectors such as photodiodes and photomultiplier tubes. Bulk inorganic phosphors have been used in various fields, including security,(2) medical imaging,(3) well logging,(4) astrophysics,(5) and particle physics.[6] On the other hand, storage phosphors temporarily store the incident radiation dose, and the stored energy can be released by external simulation to emit photons. We found that the TSL and OSL properties of transparent ceramics synthesized by spark plasma sintering (SPS) were enhanced in some materials,(37–39) since the SPS was performed in a highly reductive environment, which effectively generates defect centers. There are few reports on the TSL and OSL properties of transparent ceramics synthesized by SPS
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