Primary simulation study of ortho-octahedral crystal lattice structure using inside-source neutron holography

CAO Chao SUN Yong TANG Bin HUO Heyong

doi:10.11889/j.0253-3219.2013.hjs.36.010202

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Primary simulation study of ortho-octahedral crystal lattice structure using inside-source neutron holography

更新时间：2021-06-03

- Primary simulation study of ortho-octahedral crystal lattice structure using inside-source neutron holography
- NUCLEAR TECHNIQUES Vol. 36, Issue 1, Article number: 010202(2013)
- 作者机构：
  
  中国工程物理研究院核物理与化学研究所
- 作者简介：
- 基金信息：
- DOI：10.11889/j.0253-3219.2013.hjs.36.010202
  CLC： O571.56
- Published：2013
- 稿件说明：
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[1]曹超,孙勇,唐彬,霍合勇.正八面体含氢晶格中子内源全息成像的初步模拟研究[J].核技术,2013,36(01):14-21.

CAO Chao SUN Yong TANG Bin HUO Heyong. Primary simulation study of ortho-octahedral crystal lattice structure using inside-source neutron holography[J]. Nuclear techniques, 2013, 36(1): 010202
[1]曹超,孙勇,唐彬,霍合勇.正八面体含氢晶格中子内源全息成像的初步模拟研究[J].核技术,2013,36(01):14-21. DOI： 10.11889/j.0253-3219.2013.hjs.36.010202.

CAO Chao SUN Yong TANG Bin HUO Heyong. Primary simulation study of ortho-octahedral crystal lattice structure using inside-source neutron holography[J]. Nuclear techniques, 2013, 36(1): 010202 DOI： 10.11889/j.0253-3219.2013.hjs.36.010202.

摘要

中子全息成像是利用一定波长的单能热中子对样品微观三维结构进行成像的检测技术。本文简要介绍了中子全息成像技术的原理和应用

并用数值方法对正八面体含氢晶格的中子全息成像和重建过程进行模拟

同时分析统计噪声、探测波长等关键实验参数对成像结果造成的影响

获得了与实际相符的结果。文中所用模拟方法及其结论可被用于进一步理论和实验工作的开展。

Abstract

Neutron holography is an imaging technique permitting the three-dimensional reconstruction of the micro-structure of the original sample.This paper simply introduces the principles and developments of neutron holography.Based on the principle

the holographs and reconstruction procedure of an octahedral crystal lattice with H atom in the center are simulated by numerical method.Effects of some critical parameters such as statistical noise

wavelength of source neutrons

the angular step width and the detector acceptance angle are also investigated in this paper.The simulation method and results will be helpful for future work.

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Related Institution

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