Luminescence Characteristics of LiCaAlF6:Eu TLD Phosphor

Authors

DOI:

https://doi.org/10.26713/jamcnp.v9i1.1964

Keywords:

LiCaAlF6:Eu, Thermoluminescence (TL), High sensitivity, Dosimetry, TLD

Abstract

The material LiCaAlF6:Eu (0.1 mol%) in microcrystalline form was prepared through water solution coprecipitation method followed by melting it at around 900 ∘C in a graphite crucible. The ingot was crushed and sieved through standard sieves to obtain powder approximate in the range 100-125 μm. The material was annealed at around 200-800 ∘C. The material was characterized by XRD. The materials were irradiated to different doses of γ-rays using 60Co radioactive source and thermoluminescence (TL) glow curves were recorded. The powder material was found to be at least 10 times more sensitive than CaSO4:Dy commercially available TLD pellets. However, as the dosimetry peak is at around 180 ∘C, there is fading around 20%. Considering these facts, the material could be considered as a highly sensitive and suitable TLD phosphor.

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Published

2022-06-30
CITATION

How to Cite

Abhishek, Sahare, . A., Sahare, . S., Singh, M., & Sahare, P. (2022). Luminescence Characteristics of LiCaAlF6:Eu TLD Phosphor. Journal of Atomic, Molecular, Condensed Matter and Nano Physics, 9(1), 85–92. https://doi.org/10.26713/jamcnp.v9i1.1964

Issue

Vol. 9 No. 1 (2022)

Section

Research Article

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