Research on annealing and properties of TlBr crystals for radiation detector use

Research on annealing and properties of TlBr crystals for radiation detector use
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辐射探测器用TlBr晶体的退火及性能研究

DOI:
10.1016/j.nima.2013.12.049
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发表时间:
2014-03
影响因子:
1.4
通讯作者:
Gong Shuping
Gong Shuping
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
Zheng Zhiping;Yu Yongtao;Zhou Dongxiang;Gong Shuping

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在本文中,在切割、抛光和蚀刻后在空气中进行退火,以消除晶体和晶圆制备工作引入的缺陷。研究了退火温度和退火时间对TlBr晶体性能的影响。通过红外(IR)透射光谱、i - v测量、XRD和能量响应谱对晶体质量进行表征。在100 ~ 320℃的退火温度范围内,温度越高,质量越好。此外,还证明了适当的退火时间对提高晶体质量至关重要。
In this paper, annealing was carried out in air after cutting, polishing and etching to eliminate defects introduced by crystal and wafer preparation work. The effect of annealing temperature and time on the properties of TlBr crystals was investigated. The crystal quality was characterized by infrared (IR) transmittance spectrum,I–Vmeasurement, XRD and energy response spectrum. In the annealing temperature range (100–320 °C) applied, it was found that higher temperature was more effective for improving quality. Furthermore, it is proved that an appropriate annealing time is vital for better crystal quality.
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