Semiconducting Boron-Rich Neutron Detectors

机译：半导体富硼中子探测器

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Semiconducting boron-rich boron-carbon alloys have been deposited by plasma-enhanced chemical vapor deposition. Heterojunction diodes made with 276nm thick nanocrystalline layers of these alloys have been used as real-time solid-state neutron detectors. Individual neutrons were detected and signals induced by gamma rays were determined to be insignificant. Linearity of detection was demonstrated over more than two orders of magnitude in flux. The neutron detection performance was unaffected by > 1 x 10~(15) neutrons / cm~2. The source gas closo-1,2-dicarbadodecaborane (ortho-carborane) was used to fabricate the boron carbon alloys with only the natural isotopic abundance of ~(10)B. Devices made of thicker boron carbon alloy layers enriched in ~(10)B could lead to increased detection efficiency.

机译：通过等离子体增强化学气相沉积法沉积了富含半导体的硼碳-硼合金。由这些合金的276nm厚纳米晶层制成的异质结二极管已被用作实时固态中子探测器。检测到单个中子，并确定由伽马射线诱导的信号无关紧要。在超过两个数量级的通量中证明了检测的线性度。中子探测性能不受> 1 x 10〜（15）中子/ cm〜2的影响。使用原料气Closo-1,2-dicarbadodecaborane（原-碳硼烷）来制造仅具有约（10）B天然同位素丰度的硼碳合金。由富含〜（10）B的较厚的硼碳合金层制成的设备可能会提高检测效率。

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来源
《Conference on Advances in Neutron Scattering Instrumentation, Jul 7-8, 2002, Seattle, Washington, USA》|2002年|p.226-233|共8页
会议地点 Seattle WA(US)
作者
Brian W. Robertson; Shireen Adenwalla; Andrew Harken; Peter Welsch; Jennifer I. Brand; John. P. Claassen; Neil M. Boag; Peter. A. Dowben;
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作者单位

Department of Mechanical Engineering, Univ. of Nebraska-Lincoln, N124 WSEC, Lincoln NE 68588-0656;

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原文格式 PDF
正文语种 eng
中图分类物理学;
关键词
boron-rich semiconductor; neutron detector; boron carbide; solid-state; high conversion gain;

机译：富硼半导体中子探测器碳化硼固体状态;高转换增益;

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专利

1. Boron-Rich Semiconducting Boron Carbide Neutron Detector [J] . Andrew D. HARKEN, Ellen E. DAY, Brian W. ROBERTSON, Japanese Journal of Applied Physics. Part 1, Regular Papers, Brief Communications & Review Papers . 2005,第1A期

机译：富硼半导体碳化硼中子探测器
2. Large-area imaging detector for neutron scattering based on boron-rich liquid scintillator [J] . D. Vartsky, M.B. Goldberg, A. Breskin, Nuclear Instruments & Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment . 2003,第1a3期

机译：基于富硼闪烁体的中子散射大面积成像探测器
3. Boron-rich benzene and pyrene derivatives for the detection of thermal neutrons [J] . Henok A. Yemam, Adam Mahl, Unsal Koldemir, Scientific reports. . 2015,第1期

机译：富硼苯和pyr衍生物，用于检测热中子
4. Semiconducting Boron-Rich Neutron Detectors [C] . Shireen Adenwalla, Ravi Billa, Jennifer I. Brand, Conference on Penetrating Radiation Systems and Applications V; Aug 6-8, 2003; San Diego, California, USA . 2003

机译：半导体富硼中子探测器
5. Modeling and signal analysis of semiconducting B(5)C neutron detectors. [D] . Harken, Andrew D. 2006

机译：半导体B（5）C中子探测器的建模和信号分析。
6. Boron-rich benzene and pyrene derivatives for the detection of thermal neutrons [O] . Henok A. Yemam, Adam Mahl, Unsal Koldemir, -1

机译：富硼苯和pyr衍生物用于检测热中子
7. Boron-Rich Semiconducting Boron Carbide Neutron Detector [O] . Harken, Andrew D., Day, Ellen E., Robertson, Brian W., 2005

机译：富硼半导体碳化硼中子探测器
8. Phase I - Final report: Improved position sensitive detectors for thermal neutrons. Design, fabrication, and results of testing the Phase I - Proof-of-Principal Improved Position Sensitive Thermal Neutron Detector Prototype in the laboratory and at the Intense Pulsed Neutron Source (IPNS), Argonne National Laboratory [R] . 2001

机译：第一阶段 - 最终报告：用于热中子的改进的位置敏感探测器。设计，制造和测试阶段I-校对的结果改进的位置敏感热敏感探测器原型在实验室和强脉冲中子（IpNNs）），阿贡国家实验室

Semiconducting Boron-Rich Neutron Detectors

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