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The high pressure gas capabilities at Oak Ridge National Laboratory's neutron facilities
A M Dos Santos1, J J Molaison1, B Haberl1
1Neutron Sciences Directorate, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37830, USA.
The Review of Scientific Instruments
|October 4, 2018
Summary
Oak Ridge National Laboratory
Area of Science:
- Materials Science
- Condensed Matter Physics
- Neutron Scattering
Background:
- High pressure gas studies are crucial for materials research.
- Developing specialized sample environments is a priority at Oak Ridge National Laboratory's (ORNL) neutron program.
Purpose of the Study:
- To review existing high pressure gas capabilities at ORNL's neutron facilities.
- To highlight recent in-house developments in high pressure gas systems.
- To showcase applications of these capabilities in frontier science.
Main Methods:
- Utilizing a combination of commercially available and custom-made pressure cells and gas intensifiers.
- Leveraging resources at both the Spallation Neutron Source and the High Flux Isotope Reactor.
- Performing in situ measurements up to 6 kbar, including a 3 kbar hydrogen-capable intensifier with gas recovery.
Main Results:
- ORNL offers extensive high pressure gas capabilities for neutron research.
- Recent in-house developments have expanded these capabilities.
- These systems are actively used on neutron beamlines to enable advanced scientific investigations.
Conclusions:
- ORNL's high pressure gas facilities are a valuable asset for materials research.
- The continuous development and deployment of these capabilities support cutting-edge scientific discovery.
- The presented examples demonstrate the versatility and impact of these resources.