Search Menu
DOE PAGES title logo U.S. Department of Energy
Office of Scientific and Technical Information
Search Scholarly Publications

Title: Single crystal to polycrystal neutron transmission simulation

Journal Article · · Review of Scientific Instruments
DOI: https://doi.org/10.1063/1.5002102 · OSTI ID:1423074
 [1];  [2];  [2]
  1. Univ. of Tennessee, Knoxville, TN (United States). Dept. of Physcis; Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
+ Show Author Affiliations

A collection of routines for calculation of the total cross section that determines the attenuation of neutrons by crystalline solids is presented. The total cross section is calculated semi-empirically as a function of crystal structure, neutron energy, temperature, and crystal orientation. The semi-empirical formula includes the contribution of parasitic Bragg scattering to the total cross section using both the crystal’s mosaic spread value and its orientation with respect to the neutron beam direction as parameters. These routines allow users to enter a distribution of crystal orientations for calculation of total cross sections of user defined powder or pseudo powder distributions, which enables simulation of non-uniformities such as texture and strain. In conclusion, the spectra for neutron transmission simulations in the neutron thermal energy range (2 meV–100 meV) are presented for single crystal and polycrystal samples and compared to measurements.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Renewable Power Office. Geothermal Technologies Office
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
1423074
Journal Information:
Review of Scientific Instruments, Vol. 89, Issue 2; ISSN 0034-6748
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 11 works
Citation information provided by
Web of Science

References (29)

Full-pattern analysis of time-of-flight neutron transmission of mosaic crystals journal February 2016
Elements of Slow-Neutron Scattering book October 2015
Cross-sections of materials used as neutron monochromators and filters journal August 1983
Focusing neutron guides for VULCAN—Design aspects, estimated performance, and detector deployment
  • Wang, X. -L.; Stoica, A. D.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 600, Issue 1 https://doi.org/10.1016/j.nima.2008.11.050
journal February 2009
Approximate calculation of multiple-diffraction patterns based on Renninger's kinematical `simplest approach' journal June 2000
Characterization of Crystallographic Structures Using Bragg-Edge Neutron Imaging at the Spallation Neutron Source journal December 2017
First In Situ Lattice Strains Measurements Under Load at VULCAN journal October 2010
Using pulsed neutron transmission for crystalline phase imaging and analysis journal April 2005
The atomic simulation environment—a Python library for working with atoms journal June 2017
High-Resolution Strain Mapping Through Time-of-Flight Neutron Transmission Diffraction with a Microchannel Plate Neutron Counting Detector: High-Resolution Strain Mapping journal September 2011
Diffraction in neutron imaging—A review
  • Woracek, Robin; Santisteban, Javier; Fedrigo, Anna
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 878 https://doi.org/10.1016/j.nima.2017.07.040
journal January 2018
?Umweganregung?, eine bisher unbeachtete Wechselwirkungserscheinung bei Raumgitterinterferenzen journal March 1937
The effect of experimental resolution on crystal reflectivity and secondary extinction in neutron diffraction journal March 1965
On the efficiency of certain quasi-random sequences of points in evaluating multi-dimensional integrals journal December 1960
Diffraction-line shift caused by residual stress in polycrystal for all Laue groups in classical approximations journal February 2000
The Passage of Neutrons Through Crystals and Polycrystals journal June 1941
3D Mapping of Crystallographic Phase Distribution using Energy-Selective Neutron Tomography journal April 2014
Neutron scattering lengths and cross sections journal January 1992
Feasibility study of neutron strain tomography journal July 2009
Bragg Reflection in Mosaic Crystals. I. General Solution of the Darwin Equations journal January 1997
Secondary extinction and neutron crystallography journal December 1948
Measurements of grain volume distribution parameters in polycrystals characterized by a log-normal distribution function journal March 1993
Attenuation of thermal neutrons by an imperfect single crystal journal June 1996
Neutron characteristics of single-crystal magnesium fluoride journal October 2013
Inverse pole figure mapping of bulk crystalline grains in a polycrystalline steel plate by pulsed neutron Bragg-dip transmission imaging journal October 2017
New trends in neutron imaging
  • Kardjilov, Nikolay; Hilger, André; Manke, Ingo
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 605, Issue 1-2 https://doi.org/10.1016/j.nima.2009.01.162
journal June 2009
Energy-selective neutron transmission imaging at a pulsed source
  • Kockelmann, W.; Frei, G.; Lehmann, E. H.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 578, Issue 2 https://doi.org/10.1016/j.nima.2007.05.207
journal August 2007
Time-of-flight neutron transmission of mosaic crystals journal November 2005
Tuning the activities of cuprous oxide nanostructures via the oxide-metal interaction journal May 2020

Cited By (1)

Distinct Recrystallization Pathways in a Cold-Rolled Al-2%Mg Alloy Evidenced by In-Situ Neutron Diffraction journal September 2018

Figures / Tables (16)

FIG. 1(p. 2)figure FIG. 1
FIG. 2(p. 3)figure FIG. 2
FIG. 3(p. 4)figure FIG. 3
FIG. 4(p. 6)figure FIG. 4
FIG. 5(p. 7)figure FIG. 5
TABLE I(p. 7)table TABLE I
TABLE II(p. 7)table TABLE II
FIG. 6(p. 8)figure FIG. 6
FIG. 7(p. 8)figure FIG. 7
TABLE III(p. 8)table TABLE III
FIG. 8(p. 9)figure FIG. 8
FIG. 9(p. 9)figure FIG. 9
FIG. 10(p. 10)figure FIG. 10
FIG. 11(p. 11)figure FIG. 11
FIG. 12(p. 11)figure FIG. 12
FIG. 13(p. 12)figure FIG. 13

Similar Records

Related Subjects

36 MATERIALS SCIENCE
Polycrystals
Particle beams
Crystal orientation
Crystal optics
Neutron physics