کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1881185 | 1533402 | 2016 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Optically stimulated luminescence in Ag doped Li2B4O7 single crystal and its sensitivity to neutron detection and dosimetry in OSL mode
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
فیزیک و نجوم
تشعشع
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چکیده انگلیسی
Optically stimulated luminescence (OSL) measurements have been carried out on single crystals of Ag doped Li2B4O7 (LTB:Ag) after exposure to various nuclear radiations. The time integrated OSL intensity is found to be linear in the range from 0.1Â Gy to 500Â Gy. Fading of the OSL signal was found to be around 36% in 48Â h. The presence of 6Li and 10B has been gainfully utilized to measure doses of thermal neutrons. Further, the large difference between the wavelength of the stimulation source (â¼460Â nm) and emission from the LTB:Ag at 270Â nm has enhanced the signal-to-noise ratio in a simple OSL set-up with suitable filters. The high sensitivity of the LTB:Ag to thermal neutrons will be useful in variety of applications including personal dosimetry in mixed-fields and imaging devices for neutron radiography.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Radiation Measurements - Volume 88, May 2016, Pages 14-19
Journal: Radiation Measurements - Volume 88, May 2016, Pages 14-19
نویسندگان
G.D. Patra, S.G. Singh, B. Tiwari, A.K. Singh, D.G. Desai, M. Tyagi, S. Sen, S.C. Gadkari,