High pressure gas vessels for neutron scattering experiments

The combination of high pressure techniques with neutron scattering proves to be a powerful tool for studying the phase transitions and physical properties of solids in terms of inter-atomic distances. In our report we are going to review a high pressure technique based on a gas medium compression....

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Bibliographic Details
Published inarXiv.org
Main Authors Done, R, Kirichek, O, Evans, B E, Bowden, Z A
Format Paper
LanguageEnglish
Published Ithaca Cornell University Library, arXiv.org 19.07.2010
Subjects
Compressed gas
Construction materials
Helium
Licenses
Neutron scattering
Neutrons
Phase transitions
Physical properties
Pressure vessels
Vessels
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Summary:The combination of high pressure techniques with neutron scattering proves to be a powerful tool for studying the phase transitions and physical properties of solids in terms of inter-atomic distances. In our report we are going to review a high pressure technique based on a gas medium compression. This technique covers the pressure range up to ~0.7GPa (in special cases 1.4GPa) and typically uses compressed helium gas as the pressure medium. We are going to look briefly at scientific areas where high pressure gas vessels are intensively used in neutron scattering experiments. After that we are going to describe the current situation in high pressure gas technology; specifically looking at materials of construction, designs of seals and pressure vessels and the equipment used for generating high pressure gas.
ISSN:2331-8422