TY - JOUR

T1 - Analysis of the blue phosphorescence of x-irradiated albite using a TL-like presentation

AU - Kirsh, Yoram

AU - Chen, R.

N1 - Copyright:
Copyright 2014 Elsevier B.V., All rights reserved.

PY - 1991

Y1 - 1991

N2 - By analysing the isothermal decay of phosphorescence at various temperatures, the activation energy and pre-exponential factor of the relevant trap, as well as the kinetic order of the process, can be evaluated. Methods of analysis have been suggested, in which t × I(t) is plotted as function of ln(t), where t is the time and I the intensity of the phosphorescence. For a single trap this is a peak-shaped curve, which resembles the corresponding thermoluminescence (TL) curve. Previous methods used some features of this peak, such as the maximum and the half intensity points. In practice, however, it might be difficult to evaluate these points accurately. An improved method is suggested, which seeks the best fit of the whole curve to the theoretical expression. This method is applied to the blue phosphorescence of X-irradiated albite.

AB - By analysing the isothermal decay of phosphorescence at various temperatures, the activation energy and pre-exponential factor of the relevant trap, as well as the kinetic order of the process, can be evaluated. Methods of analysis have been suggested, in which t × I(t) is plotted as function of ln(t), where t is the time and I the intensity of the phosphorescence. For a single trap this is a peak-shaped curve, which resembles the corresponding thermoluminescence (TL) curve. Previous methods used some features of this peak, such as the maximum and the half intensity points. In practice, however, it might be difficult to evaluate these points accurately. An improved method is suggested, which seeks the best fit of the whole curve to the theoretical expression. This method is applied to the blue phosphorescence of X-irradiated albite.

UR - http://www.scopus.com/inward/record.url?scp=50749134653&partnerID=8YFLogxK

U2 - 10.1016/1359-0189(91)90089-Z

DO - 10.1016/1359-0189(91)90089-Z

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AN - SCOPUS:0025746456

SN - 1359-0189

VL - 18

SP - 37

EP - 40

JO - International Journal of Radiation Applications and Instrumentation. Part

JF - International Journal of Radiation Applications and Instrumentation. Part

IS - 1-2

T2 - Proceedings of the 6th International Specialist Seminar on Thermoluminescence and Electron Spin Resonance Dating

Y2 - 2 July 1990 through 6 July 1990

ER -