Study on capacitive Frisch grid CdZnTe detector parameter optimization and fabrication

被引：2

作者：

Hu, Dongni ^{[1
]}

Wang, Linjun ^{[1
]}

Min, Jiahua ^{[1
]}

Qin, Kaifeng ^{[1
]}

Zhang, Jijun ^{[1
]}

Huang, Jian ^{[1
]}

Xia, Yiben ^{[1
]}

机构：

[1] Shanghai Univ, Sch Mat Sci & Engn, Shanghai 200072, Peoples R China

来源：

PHYSICA STATUS SOLIDI C: CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 7 NO 6 | 2010年 / 7卷 / 06期

关键词：

CdZnTe; nuclear detector; design; operation; simulation; RADIATION DETECTORS; CHARGE;

D O I：

10.1002/pssc.200983220

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this paper, the design parameters of the cylindrical capacitive Frisch grid CdZnTe detector were optimized through a finite-element simulation method using ANSYS software, based on a 3-dimensional weighting potential analysis for the first time. The weighting potential distributions of the model with the different ratio of screen length to device height (L/H), insulator thickness (d), insulator relative permittivity (epsilon(r)), electrode areas of anode and the ratio of anode diameter to device height (D/H), were studied. The optimized parameters with an L/H value of 80%, d/epsilon(r) < 0.05 mm, the anode diameter of about 2 mm and a D/H value < 1/2, were obtained. (C) 2010 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

引用

页码：1700 / 1702

页数：3

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