Aqualuminescence from γ-irradiated NaCl in the presence of metal ions

Kalkar, C. D.

doi:10.1007/bf02164902

Cited by 9 publications

(1 citation statement)

References 11 publications

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“…Colour centre production by g-irradiation in NaCl, KCl and KBr has been reported by Deshmukh et al (12)(13)(14)(15) in crystal and microcrystalline powder. Development of LL dosimetry materials has concentrated on an enhancement in LL intensity, observed in certain fluorescent (16,17) and chemiluminescent solutions (18,19) and dye lasers (20).…”

Section: Introductionmentioning

confidence: 99%

Lyoluminescence, thermoluminescence and mechanoluminescence studies in γ‐ray irradiated Dy³⁺ activated potassium chloride phosphor for accidental radiation dosimetry

Bhujbal¹,

Dhoble

2011

Luminescence

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The lyoluminescence (LL), thermoluminescence (TL) and mechanoluminescence (ML) of γ-ray-irradiated coloured powder of KCl:Dy (0.05-0.5 mol%) phosphors are reported in this paper. To understand the mechanism of LL and ML, the LL and ML spectra are compared with TL studies. The variation of intensity of respective luminescence with different γ-ray doses and with different concentrations of Dy3+ ion doped in KCl is found to be similar in nature. The intensities differ from each other, but their nature is found to be similar with γ-ray exposures. The ML glow peak intensity is linear up to high 1 kGy exposure as compared to LL (up to 0.5 kGy) and TL (up to 0.75 kGy) techniques. Therefore, according to our results, the recommendation is that KCl:Dy (0.1 mol%) phosphor prepared by wet chemical technique is useful for high-dose measurements using the ML technique for accidental radiation dosimetry.

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