Thermoluminescence studies on γ-irradiated Mn:Li2B4O7 single crystals

被引：17
作者：
Kar, S. [1 ]
Bairagi, S. [2 ]
Debnath, C. [1 ]
Verma, S. [1 ]
Bartwal, K. S. [1 ]
机构：
[1] Raja Ramanna Ctr Adv Technol, Laser Mat Dev & Devices Div, Indore 452013, India
[2] Vikram Univ, Dept Phys, Ujjain, Madhya Pradesh, India
来源：
APPLIED PHYSICS LETTERS | 2012年 / 101卷 / 07期
关键词：
SOLID TL DETECTORS; DOSIMETRIC CHARACTERISTICS; LI2B4O7; CRYSTALS; LITHIUM; LI2B4O7-CU; AG; P; PARAMETERS; GROWTH;
D O I：
10.1063/1.4747147
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Manganese doped Li2B4O7 (LTB) crystals were grown by Czochralski technique and various kinetic parameter of thermoluminescence (TL) were measured. Crystals were irradiated with different gamma-dose using Co-60 source. Thermoluminescence curves were recorded at various heating rates. Trap depth and frequency factor were calculated. Fading of Mn: Li2B4O7 was found only similar to 5%-6% in 6 months. Thermoluminescence intensity of Mn: Li2B4O7 was found highly sensitive to the mass of the material, and it varies abruptly with mass change of +/- 1 mg, irradiated with the same dose. Therefore, the accuracy in mass is important parameter for thermoluminescence dosimeter badge. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4747147]
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页数：4
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