Abstract
The diamagnetic susceptibility of sodium chloride crystal decreases on irradiation with x-rays andγ-rays. This is due to the induced paramagnetic centres in the crystal. The difference in diamagnetic susceptibility of the crystal before and after irradiation obeys Curie Law. On thermal bleaching the diamagnetic susceptibility recovers its original value. The changes in magnetic susceptibilities which occur at different stages of thermal bleaching are found to have correspondence with the integrated intensity of thermoluminescence. It is concluded that the destruction of F-Centres alone can not account for the intensity of thermoluminescence or changes in magnetic property.
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The author is indebted to Prof. H. N.Bose for suggesting the problem and his guidance throughout the work. Thanks are also due to Dr. J.Sharma for his valuable discussions.
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Choudhury, A. Thermoluminescence and Magnetic Properties of irradiated Sodium Chloride. Z. Physik 166, 577–581 (1962). https://doi.org/10.1007/BF01378114
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DOI: https://doi.org/10.1007/BF01378114