Improved process for the TlBr single-crystal detector

Improved process for the TlBr single-crystal detector
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DOI：
10.1016/j.nima.2008.03.058
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发表时间：
2008-06
期刊：
Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment
影响因子：
1.4
通讯作者：
V. Kozlov;H. Andersson;V. Gostilo;M. Leskelä;A. Owens;M. Shorohov;H. Sipila
V. Kozlov;H. Andersson;V. Gostilo;M. Leskelä;A. Owens;M. Shorohov;H. Sipila
中科院分区：
物理与天体物理3区
文献类型：
--
作者：
V. Kozlov;H. Andersson;V. Gostilo;M. Leskelä;A. Owens;M. Shorohov;H. Sipila

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采用Bridgman法、水热条件下纯水溶解重结晶法和移动熔融区法（TMZ）相结合的方法提纯TlBr。用TMZ法生长的单晶制作了0.5和3 mm厚的探测器。样品在-40 °C至室温下具有稳定的光谱特性。在0°C，60 keV（~（241）Am源）下，对3 mm样品的分辨率为3.7%。的检测器的电气和光谱特性的报告和讨论。
The combination of Bridgman, recrystallization by dissolving in pure water under hydrothermal conditions and travelling molten zone (TMZ) methods were used for TlBr purification. Detectors of 0.5 and 3mm thickness were produced from a single crystal grown by the TMZ method. The samples had stable spectrometric characteristics from −40°C to room temperature. A resolution of 3.7% at 60keV (241Am source) was attained for 3-mm sample at 0°C. Electrical and spectroscopic properties of the detectors are reported and discussed.