用于高效热中子探测的4H-碳化硅肖特基势垒二极管

4H-SiC Schottky Barrier Diodes for Efficient Thermal Neutron Detection.

作者信息

Bernat Robert, Bakrač Luka, Radulović Vladimir, Snoj Luka, Makino Takahiro, Ohshima Takeshi, Pastuović Željko, Capan Ivana

机构信息

Ruđer Bošković Institute, Bijenička Cesta 54, 10000 Zagreb, Croatia.

Jožef Stefan Institute, Jamova Cesta 39, 1000 Ljubljana, Slovenia.

出版信息

Materials (Basel). 2021 Sep 6;14(17):5105. doi: 10.3390/ma14175105.

DOI:10.3390/ma14175105

PMID:34501192

原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8433684/

Abstract

In this work, we present the improved efficiency of 4H-SiC Schottky barrier diodes-based detectors equipped with the thermal neutron converters. This is achieved by optimizing the thermal neutron converter thicknesses. Simulations of the optimal thickness of thermal neutron converters have been performed using two Monte Carlo codes (Monte Carlo N-Particle Transport Code and Stopping and Range of Ions in Matter). We have used LiF and BC for the thermal neutron converter material. We have achieved the thermal neutron efficiency of 4.67% and 2.24% with LiF and BC thermal neutron converters, respectively.

摘要

在这项工作中，我们展示了配备热中子转换器的基于4H-SiC肖特基势垒二极管探测器的效率提升。这是通过优化热中子转换器的厚度来实现的。使用两种蒙特卡罗代码（蒙特卡罗N粒子输运代码和物质中离子的阻止和射程）对热中子转换器的最佳厚度进行了模拟。我们将LiF和BC用作热中子转换器材料。使用LiF和BC热中子转换器时，我们分别实现了4.67%和2.24%的热中子效率。