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DEVELOPMENT AND APPLICATION OF SOLID FORMS OF CASO_4:DY THERMOLUMINESCENT DOSEMETERS IN RADIATION PROTECTION DOSIMETRY-A REVIEW

机译:辐射防护文档中CASO_4:DY热释光剂量计的固体形式的开发与应用-综述

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摘要

CaSO4:Dy is a reliable high-sensitive themoluminescent phosphor useful for low-level and high-level radiation measurements as it exhibits fading free linear dose response with a single glow peak at similar to 230 degrees C in these dose regions. For large-scale radiation protection dosimetry service, it is embedded in Teflon matrix with varying thicknesses. Extensive studies have been carried out with such CaSO4:Dy Teflon discs in individual and environmental radiation monitoring applications including its capability to measure International Commission on Radiation Units and Measurements operational quantities. The review highlights their development and application in high-energy photon measurements, thin wafers and graphite-loaded Teflon discs for beta-dosimetry, phosphor-filled aluminium discs for high-dose applications, 6LiF-mixed CaSO4:Dy Teflon discs for thermal and albedo or moderated fast neutrons, sulphur-mixed CaSO4:Dy pellets for fast-neutron exposure even in the presence of gamma-rays and polyethylene-mixed CaSO4:Dy discs for fast neutrons.
机译:CaSO4:Dy是可靠的高灵敏度热致发光磷光体,可用于低水平和高水平辐射测量,因为在这些剂量区域中,CaSO4:Dy表现出无衰减的线性线性剂量响应,并具有类似于230摄氏度的单个辉光峰。对于大规模辐射防护剂量测定服务,它被嵌入到具有不同厚度的特氟隆矩阵中。此类CaSO4:Dy Teflon圆盘已在个人和环境辐射监测应用中进行了广泛的研究,包括其测量国际辐射单位委员会和测量操作量的能力。审查重点介绍了它们在高能光子测量,薄晶圆和用于β剂量测定的装有石墨的聚四氟乙烯盘,用于高剂量应用的荧光粉填充铝盘,用于热和反照率的6LiF混合CaSO4:Dy聚四氟乙烯盘的开发和应用。或中等速度的快中子,即使在存在伽马射线的情况下,硫混合的CaSO4:Dy圆片也可用于快速中子暴露,而聚乙烯混合的CaSO4:Dy圆片也可用于快速中子。

著录项

  • 来源
    《Radiation Protection Dosimetry》 |2018年第2期|57-99|共43页
  • 作者

    Lakshmanan Arunachalam;

  • 作者单位

    Saveetha Engn Coll, Madras 692105, Tamil Nadu, India;

  • 收录信息 美国《科学引文索引》(SCI);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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