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Advanced Research in Natural Sciences

An official journal of Viet Nam National University Ho Chi Minh City, Viet Nam

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Estimate the lifetime of thermoluminescence traps in general-orders of kinetics model of chilli powder samples by using the R package TGCD

Sang Duy Nguyen 1, *
Hung Van Tran 2
Hien Quoc Nguyen 2
Hung Van Nguyen 3

  1. Can Tho University, Can Tho, Faculty of Physics and Engineering Physics, University of Science, VNU-HCM
  2. Research and Development Center for Radiation Technology, VAEI, Ho Chi Minh
  3. Nuclear Research Institute, VAEI, Dala
Correspondence to: Sang Duy Nguyen, Can Tho University, Can Tho, Faculty of Physics and Engineering Physics, University of Science, VNU-HCM. Email: Nghiado@sci.edu.vn.
Volume & Issue: Vol. 1 No. T4 (2017) | Page No.: 71-78 | DOI: 10.32508/stdjns.v1iT4.484
Published: 2017-12-31

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Copyright © 2018 by the author(s).

This article is published with open access by Viet Nam National University Ho Chi Minh City, Viet Nam. This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0) which permits any use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited.

Abstract

The kinetic parameters of thermoluminescene (TL) glow peaks of chilli powder irradiated by gamma rays with the different doses of 0, 4 and 8 kGy (i.e. activation energies (E), order of kinetics (b), trapping and recombination probability coefficients (R) and frequency factors (s)) have been determined and evaluated by glow curve deconvolution (GCD) method using the glow curve data to estimate lifetime of TL traps. The kinetic parameters of TL glow peaks are calculated by modeled first-, second-, generalorders of kinetics (GOK) thanking to the computer by using the R package TGCD. The results obtained as comparing the lifetime values of the three samples showed that the values of the 8 kGy irradiated-samples were the lowest whereas the 4 kGy irradiated-samples’value were greater than the non-irradiated samples’ one time.

Keywords: Lifetime thermoluminescence kinetic parameters GCD GOK chilli

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