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1篇 您的检索式:作者名="SHI Zhubin"
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1Simulation of the anode structure for capacitive Frisch grid CdZnTe detectors显示文摘CdZnTe(CZT)capacitive Frisch grid detectors can achieve a higher detecting resolution.The anode structure might have an important role in improving the weighting potential distribution of the detectors.In this paper, four anode structures of capacitive Frisch grid structures have been analyzed with FE simulation,based on a 3-dimensional weighting potential analysis.The weighting potential distributions in modified anode devices(Model B, C and D)are optimized compared with a square device(Model A).In model C and D,the abrupt weighting potential can be well modified.However,with increased radius of the circular electrode in Model C the weighting potential platform away from the anode becomes higher and higher and in Model D,the weighting potential does not vary too much.MIN Jiahua SHI Zhubin QIAN Yongbiao SANG Wenbin ZHAO Hengyu TENG Jianyong LIU Jishan 2009Nuclear Science and Techniques2009,20,1:2
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