Optically Stimulated Luminescence (OSL) properties of CaF2 : Ce phosphor for radiation dosimetry

Authors

  • C. B. Palan  Department of Physics, Bapumiya Sirajoddin Patel Arts, Commerce and Science College Pimpalgaon Kale Ta. Jalgaon Jamod, Dist Buldhana, Maharashtra, India
  • A. O. Chauhan  Department of Physics, Vidya Bharti Mahavidyalaya Amravati, Maharashtra, India
  • S. R. Jaiswal  Department of Physics Shri R.L.T. College of Science, Akola, Maharashtra, India
  • S. K. Omanwar  Department of Physics, Sant Gadge Baba Amravati University, Amravati, Maharashtra, India

DOI:

https://doi.org/10.32628/IJSRST.RAMAN2181

Keywords:

Reactive Atmosphere Process, Γ Irradiation, Effective Atomic Number, Caf2:Ce3+ Phosphor

Abstract

OSL technique is a now well-developed for its application in radiation dosimetry. Antonov Romanovskii et al. were firstly suggested use of OSL for personal dosimetry. However compared to thermoluminescence (TL) technique, Optically Stimulated Luminescence (OSL) is becoming more popular in radiation dosimetry. The polycrystalline CaF2:Ce phosphor was successfully synthesized via Reactive Atmosphere Process (RAP). The structural properties of prepared phosphors were evaluated X-ray diffraction (XRD) technique. The XRD pattern of prepared phosphor well match with ICDD (International centers for diffraction data) file and synthesis methods were not affected on XRD pattern. The CaF2:Ce3+ phosphor show good CW-OSL response under γ irradiation. The CW-OSL decay pattern of prepared CaF2:Ce3+ phosphor is similar to the CW-OSL decay pattern of commercially available α-Al2O3:C phosphor. The photoluminescence (PL) excitation and emission spectra were observed at 305 nm and   338 nm, respectively. The effective atomic number (Zeff) of CaF2:Ce3+ is 16.3 and the phosphor is a candidate for radiation dosimetry.

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International Journal of Scientific Research in Science and Technology

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Published

2021-02-01

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Volume 8, Issue 1, January-February-2021

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Research Articles

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How to Cite

[1]
C. B. Palan, A. O. Chauhan, S. R. Jaiswal, S. K. Omanwar "Optically Stimulated Luminescence (OSL) properties of CaF2 : Ce phosphor for radiation dosimetry " International Journal of Scientific Research in Science and Technology(IJSRST), Online ISSN : 2395-602X, Print ISSN : 2395-6011,Volume 8, Issue 1, pp.133-136, January-February-2021. Available at doi : https://doi.org/10.32628/IJSRST.RAMAN2181