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Studies on the temperature dependence of optically stimulated luminescence for highly sensitive LiCaAlF6: Eu, Y phosphor
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms ( IF 1.4 ) Pub Date : 2020-07-08 , DOI: 10.1016/j.nimb.2020.06.047
N.S. Rawat , Jagriti Sharma , B.S. Dhabekar , D.K. Koul , B.K. Sapra

Studies were carried out to investigate the temperature dependence of OSL in LiCaAlF6: Eu, Y phosphor (LCAF). The generic protocol and methodology for conducting such studies has been suggested. The material is investigated in the temperature range of 100–260 °C. The residual TL after various sequences is used as a probe to investigate the effectiveness of thermal and optical stimulation in releasing trapped charges. It is found that the simultaneous application of thermal and optical stimulation results in more efficient and faster depletion of signal in comparison to the sum of thermal and optical stimulations alone when carried out in isolation. Thus, simultaneous application of temperature and optical stimulation lead to increased synergistic effect in terms of acquisition of luminescence signal.



中文翻译:

LiCaAlF 6:Eu,Y荧光粉对光激发发光的温度依赖性的研究

进行了研究以研究LiCaAlF 6:Eu,Y荧光粉(LCAF)中OSL的温度依赖性。已经提出了进行此类研究的通用方案和方法。在100–260°C的温度范围内对材料进行了研究。各种序列后的残留TL被用作探针,以研究热和光刺激在释放捕获电荷中的有效性。已经发现,与单独进行热刺激和光刺激的总和相比,热刺激和光刺激的同时施加导致信号的更有效和更快的消耗。因此,就发光信号的获取而言,同时施加温度和光学刺激导致增加的协同效应。

更新日期:2020-07-08
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