THE STRUCTURE OF THERMOLUMINESCENCE TRAPS IN AQUEOUS GROWN KCl

Authors

  • Ruchi Pandey Physics Department, Rama University, Mandhana, Kanpur-209217, INDIA.
  • Rajendra Kumar Physics Department, Rama University, Mandhana, Kanpur-209217, INDIA. https://orcid.org/0000-0001-8680-7187
  • Sumit Tiwari Department of Physics, School of Physical and Decision Sciences, Babasaheb Bhimrao Ambedkar University, Lucknow-226025, INDIA.
  • S. D. Pandey P.P.N.P.G Center, Kanpur University, The Mall, Kanpur -208001, INDIA.

DOI:

https://doi.org/10.22452/mjs.vol42no2.9

Keywords:

TL, traps, bi-vacancy, I-V pair. Stark effect, hydroxyl groups.

Abstract

The results of TL studies in aqueous grown undoped KCl crystals are reported. A de-convolution of TL curve into five component peaks has been performed and trap depths have been obtained. The importance of bi-vacancy has been established as a fundamental trap and its anion vacancy end has also been proposed as a suitable trap for thermoluminescence in KCl crystals. The traps at anion vacancies linked to impurity vacancy I-V   pairs have also been envisaged and the shift in the depths of traps is attributed to the electric field of I-V pairs in the lattice caused by inherent divalent ions. Some traps linked to hydroxyl groups have also been identified.

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References

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Published

28-06-2023

How to Cite

Ruchi Pandey, Kumar, R., Sumit Tiwari, & S. D. Pandey. (2023). THE STRUCTURE OF THERMOLUMINESCENCE TRAPS IN AQUEOUS GROWN KCl. Malaysian Journal of Science (MJS), 42(2), 62–66. https://doi.org/10.22452/mjs.vol42no2.9

Issue

Vol 42 No 2 (2023): June

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Original Articles

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