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Progress in the Development of CdTe and CdZnTe Semiconductor Radiation Detectors for Astrophysical and Medical Applications

机译:用于天体医学和医学应用的CdTe和CdZnTe半导体辐射探测器的开发进展

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摘要

Over the last decade, cadmium telluride (CdTe) and cadmium zinc telluride (CdZnTe) wide band gap semiconductors have attracted increasing interest as X-ray and gamma ray detectors. Among the traditional high performance spectrometers based on silicon (Si) and germanium (Ge), CdTe and CdZnTe detectors show high detection efficiency and good room temperature performance and are well suited for the development of compact and reliable detection systems. In this paper, we review the current status of research in the development of CdTe and CdZnTe detectors by a comprehensive survey on the material properties, the device characteristics, the different techniques for improving the overall detector performance and some major applications. Astrophysical and medical applications are discussed, pointing out the ongoing Italian research activities on the development of these detectors.
机译:在过去的十年中,作为X射线和伽马射线探测器,碲化镉(CdTe)和碲化镉锌(CdZnTe)宽带隙半导体引起了越来越多的关注。在基于硅(Si)和锗(Ge)的传统高性能光谱仪中,CdTe和CdZnTe检测器显示出高检测效率和良好的室温性能,非常适合开发紧凑而可靠的检测系统。在本文中,我们通过对材料特性,器件特性,提高整体检测器性能的不同技术以及一些主要应用的全面调查,回顾了CdTe和CdZnTe检测器开发的研究现状。讨论了天体物理和医学应用,指出了意大利正在进行的有关这些探测器开发的研究活动。

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