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Related Experiment Video

Updated: Jun 28, 2025

$High Pressure Single Crystal Diffraction at PX^2$

High Pressure Single Crystal Diffraction at PX^2

Published on: January 16, 2017

New dynamic diamond anvil cell for time-resolved radial x-ray diffraction.

L Q Huston¹, L Miyagi², R J Husband³

¹Dynamic Experiments Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA.

The Review of Scientific Instruments

|April 17, 2024

Summary

This summary is machine-generated.

The dynamic diamond anvil cell (dDAC) with radial X-ray diffraction (XRD) enables studying material strength and deformation at high compression rates. This setup allows simultaneous optical imaging for detailed analysis of plastic strain and deformation mechanisms.

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An Externally-Heated Diamond Anvil Cell for Synthesis and Single-Crystal Elasticity Determination of Ice-VII at High Pressure-Temperature Conditions

An Externally-Heated Diamond Anvil Cell for Synthesis and Single-Crystal Elasticity Determination of Ice-VII at High Pressure-Temperature Conditions

Published on: June 18, 2020

Area of Science:

Materials Science
High-Pressure Physics
Condensed Matter Physics

Background:

The dynamic diamond anvil cell (dDAC) is an advanced experimental tool for material analysis under extreme conditions.
Studying materials at high strain rates is crucial for understanding their behavior in dynamic environments.

Purpose of the Study:

To describe and validate a new radial X-ray diffraction (XRD) setup for the dynamic diamond anvil cell (dDAC).
To demonstrate the capability of this setup for in-situ material characterization at high compression rates.

Main Methods:

Implementation of a radial XRD geometry on a dDAC at the PETRA III synchrotron (beamline P02.2).
Collection of time-resolved XRD data for titanium, zirconium, and zircon samples.
Simultaneous optical imaging of the DAC sample chamber during experiments.

Main Results:

Successful characterization of material strength and texture evolution at compression rates exceeding 300 GPa/s.
Demonstration of simultaneous radial XRD and optical imaging capabilities.
Validation of the setup for studying plastic strain and deviatoric strain rates.

Conclusions:

The described radial XRD dDAC setup is effective for in-situ material property investigation under dynamic compression.
This technique provides new opportunities to explore material strength and deformation mechanisms in the intermediate strain rate regime.
The combined XRD and optical imaging approach offers a comprehensive method for analyzing material behavior under extreme conditions.