著者

安元 培 田中 武雄 福田 和悟

出版者

大阪産業大学

雑誌

大阪産業大学論集. 自然科学編 (ISSN:02871394)

巻号頁・発行日

vol.124, pp.21-30, 2013-03

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The thermoluminescence (TL) of Ca_5(PO_4)_3Cl doped with Pr ions has been studied for use as a thermoluminescence dosimeter (TLD) material. The TL glow spectra of Ca_5(PO_4)_3Cl:Pr irradiated with UV ray show a liner relation between TL glow intensity and irradiation time. In the case of X ray irradiation, the TL spectra also show a same relation but show a different shape of spectrum. These results suggest that the TLD consisting of Ca_5(PO_4)_3Cl:Pr may be possible to discriminate between UV and X rays. It was found that with Ca_5(PO_4)_3Cl:Pr, the shape of the TL glow curve for UV radiation is different from that of the TL glow curve for X ray radiation. It seemed interesting to investigate the mixed radiation field, and TL and thermally stimulated exoelectron emission (TSEE) measured simultaneously for X ray irradiation. However, TSEE was not observed.