聚四氟乙烯嵌入的LiF:Mg,Cu,P和BaSO4:Eu磷光体等温衰减的新修正表达式。
New modified expressions for isothermal decay of Teflon embedded LiF:Mg,Cu,P and BaSO4:Eu phosphors.
作者信息
González P R, Furetta C, Cruz-Zaragoza E
机构信息
Instituto Nacional de Investigaciones Nucleares, Carretera México-Toluca s/n, C.P. 52750, Ocoyoacac, Estado de México, Mexico.
出版信息
Appl Radiat Isot. 2011 Feb;69(2):511-5. doi: 10.1016/j.apradiso.2010.10.015. Epub 2010 Oct 27.
This paper gives a full mathematical description of the kinetics expressions used in thermoluminescent isothermal decay experiments. The corresponding equations have been slightly modified considering the peak intensity at the maximum (I(M)) instead of the peak area Φ as proportional to absorbed dose, given normally in isothermal decay equations. The isothermal decay method was applied to the principal glow peaks of two different phosphors: LiF:Mg,Cu,P+PTFE, using first- and second-order kinetics, and BaSO(4):Eu+PTFE, using second-order kinetics.
本文给出了热释光等温衰减实验中所使用的动力学表达式的完整数学描述。考虑到通常在等温衰减方程中给出的与吸收剂量成正比的是最大处的峰值强度I(M)而非峰面积Φ，相应方程已略有修改。等温衰减方法应用于两种不同磷光体的主要发光峰：使用一级和二级动力学的LiF:Mg,Cu,P + PTFE，以及使用二级动力学的BaSO(4):Eu + PTFE。
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