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Electron Tomography
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Related Experiment Video

Updated: Dec 8, 2025

$Studying Soft-matter and Biological Systems over a Wide Length-scale from Nanometer and Micrometer Sizes at the Small-angle Neutron Diffractometer KWS-2$

Studying Soft-matter and Biological Systems over a Wide Length-scale from Nanometer and Micrometer Sizes at the Small-angle Neutron Diffractometer KWS-2

Published on: December 8, 2016

Neutron sub-micrometre tomography from scattering data.

B Heacock^1,2, D Sarenac^3,4, D G Cory^3,5,6,7

¹Department of Physics, North Carolina State University, Raleigh, NC 27695, USA.

|September 17, 2020

Summary

This summary is machine-generated.

Researchers developed a new neutron imaging technique using scattering data to achieve ~300 nm resolution, significantly improving upon existing methods for visualizing nanoscale material structures.

Keywords:

computed tomography nanoscience nanostructures neutron diffraction neutron scattering phase retrieval

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Measuring Material Microstructure Under Flow Using 1-2 Plane Flow-Small Angle Neutron Scattering

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Published on: February 6, 2014

Related Experiment Videos

Last Updated: Dec 8, 2025

$Studying Soft-matter and Biological Systems over a Wide Length-scale from Nanometer and Micrometer Sizes at the Small-angle Neutron Diffractometer KWS-2$

Studying Soft-matter and Biological Systems over a Wide Length-scale from Nanometer and Micrometer Sizes at the Small-angle Neutron Diffractometer KWS-2

Published on: December 8, 2016

Neutron Radiography and Computed Tomography of Biological Systems at the Oak Ridge National Laboratory's High Flux Isotope Reactor

Neutron Radiography and Computed Tomography of Biological Systems at the Oak Ridge National Laboratory's High Flux Isotope Reactor

Published on: May 7, 2021

Measuring Material Microstructure Under Flow Using 1-2 Plane Flow-Small Angle Neutron Scattering

Measuring Material Microstructure Under Flow Using 1-2 Plane Flow-Small Angle Neutron Scattering

Published on: February 6, 2014

Area of Science:

Materials Science
Physics
Imaging Techniques

Background:

Neutrons are essential for material analysis, but conventional neutron imaging resolution is limited (>20 µm).
Neutron scattering offers sensitivity to nanoscale features but lacks direct real-space imaging capabilities.

Purpose of the Study:

To demonstrate a novel computed-tomography technique utilizing neutron scattering data.
To achieve significantly higher spatial resolution in neutron imaging compared to existing methods.

Main Methods:

Measuring neutron diffraction with a double-crystal diffractometer as a function of sample rotation.
Applying phase-retrieval algorithms and tomographic reconstruction to neutron scattering data.
Generating a scattering-length density map of the sample.

Main Results:

Achieved a spatial resolution of approximately 300 nm, an order of magnitude improvement over standard neutron tomography.
Successfully generated real-space images of periodic samples.
Confirmed topological features using scanning electron microscopy.

Conclusions:

The demonstrated technique offers unprecedented resolution for neutron imaging.
This method is applicable to various materials, including nanofabricated samples, biological membranes, and magnetic materials like skyrmion lattices.
The technique bridges the gap between neutron scattering sensitivity and real-space imaging.