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Related Experiment Video

Updated: Jan 15, 2026

$Synchrotron X-ray Microdiffraction and Fluorescence Imaging of Mineral and Rock Samples$

Synchrotron X-ray Microdiffraction and Fluorescence Imaging of Mineral and Rock Samples

Published on: June 19, 2018

Laboratory three-dimensional X-ray micro-beam Laue diffraction.

Yubin Zhang¹, Anthony Seret^1,2, Jette Oddershede³

¹Department of Civil and Mechanical Engineering, Technical University of Denmark, 2800Kongens Lyngby, Denmark.

Journal of Applied Crystallography

|October 9, 2025

Summary

This summary is machine-generated.

A new laboratory-based 3D X-ray micro-beam diffraction (Lab-3DµXRD) technique enables researchers to perform 3D crystallographic characterization. This method detects smaller grains and provides intragranular information, overcoming synchrotron access limitations.

Keywords:

3DXRD Laue micro-beam diffraction intragranular orientation laboratory diffraction contrast tomography scanning 3DXRD three dimensional X-ray diffraction

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Last Updated: Jan 15, 2026

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Published on: October 7, 2013

Area of Science:

Materials Science
Crystallography
X-ray Physics

Background:

3D non-destructive X-ray characterization is crucial for materials research but limited by synchrotron access.
Laboratory Diffraction Contrast Tomography (LabDCT) offers 3D grain characterization for grains >15-20 µm with ~5 µm resolution.
There is a need for advanced laboratory-based techniques to characterize smaller grains and provide more detailed microstructural information.

Purpose of the Study:

To develop and demonstrate a novel laboratory-based 3D X-ray micro-beam diffraction (Lab-3DµXRD) technique.
To enable depth-resolved crystallographic orientation characterization at the microscale.
To overcome the limitations of current laboratory X-ray techniques for materials characterization.

Main Methods:

Integration of a Pt-coated twin paraboloidal capillary X-ray focusing optic into a commercial X-ray micro-computed tomography (µCT) system.
Development of a scanning-tomographic data acquisition routine using a focused polychromatic beam.
Creation of custom software for data acquisition and processing.

Main Results:

Successful implementation of the Lab-3DµXRD technique, demonstrating its feasibility.
Validation through comparison with LabDCT and synchrotron phase contrast tomography.
Demonstrated capability to detect smaller grains (<15-20 µm) and provide intragranular crystallographic information.

Conclusions:

Lab-3DµXRD is a viable laboratory technique for advanced 3D crystallographic characterization.
The technique offers significant advantages over existing methods for studying materials with fine microstructures.
Future development could integrate Lab-3DµXRD with LabDCT and µCT for comprehensive multiscale and multimodal materials analysis.