Volume 179, Issue 1 pp. 265-273
Original Paper

Activation Energies and Temperature Dependent Frequency Factors in Thermoluminescence Recorded with Hyperbolic Heating Scheme

W. Shambhunath Singh

W. Shambhunath Singh

Department of Physics, Manipur College, Singjamei, Imphal 795008, Manipur, India

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M. Bhattacharya

M. Bhattacharya

Department of Physics, Krishnath College, Berhampore 742101, Murshidabad, West Bengal, India

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S. Dorendrajit Singh

S. Dorendrajit Singh

Department of Physics, School of Science, Manipur University, Canchipur, Imphal 795003, Manipur, India

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P.S. Mazumdar

P.S. Mazumdar

Department of Physics, Acharya Prafulla Chandra College, New Barrackpore 743276, North 24 Parganas, West Bengal, India

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Abstract

A method has been developed for the evaluation of activation energy of thermoluminescence peak recorded with hyperbolic heating scheme by taking into account temperature dependent frequency factor. We have arrived at a number of expressions of activation energy involving the peak temperature and/or temperatures corresponding to the two points of inflection of the peak. It has been observed that the temperature dependence of frequency factor might lead to an error of the order of 10% in the determination of activation energy.

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