Thermoluminescence in Sintered CaF2:Tb

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概要

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• In order to observe and estimate the dose of ultraviolet (UV) radiation, the thermoluminescence (TL) of sintered CaF_2 doped with Tb_4O_7 and Sm_2O_3 was studied. A several kind of lanthanides elements are doped in pure CaF_2 powder crystals and properties of the TL to UV radiation were observed. The TL intensity from CaF_2:Tb was the highest among the samples doped other lanthanide elements. The TL emission may be due to the recombination reaction; Tb^<2+>+ hole→Tb^<3+>→Tb^<3+>+ hν. The TL peaks are observed at about 353 K, 378 K and 458 K. It was found that the 378 K TL peak intensity of CaF_2:Tb became strong by addition of Sm_2O_3. The 378 K TL peak may also be suitable for use as a dosimeter.

• 日本放射線影響学会の論文

著者

• FUKUDA Yasunori

  Department of Food and Nutrition, Faculty of Agriculture, Kinki University

• Fukuda Yasunori

  Department Of Urban Environment Osaka Sangyo University

• Fukuda Yasunori

  Department Of Food And Nutrition Faculty Of Agriculture Kinki University

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• Thermoluminescence in Sintered CaF2:Tb

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