Journal
HIGH PRESSURE RESEARCH
Volume 37, Issue 4, Pages 495-506Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/08957959.2017.1390571
Keywords
High pressure neutron scattering; diamond anvil cell; inelastic neutron scattering
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Funding
- Energy Frontier Research in Extreme Environments (EFree) Center, an Energy Frontier Research Center - U.S. Department of Energy (DOE), Office of Science, Basic Energy Sciences (BES) [DE-SC0001057]
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A new diamond cell with extreme apertures is described. It is tailored for a large variety of neutron scattering techniques such as inelastic neutron scattering and single-crystal diffraction both at the Spallation Neutron Source (SNS) and the High Flux Isotope Reactor at the Oak Ridge National Laboratory. Simple springs enable forces of over 10 metric tons to be clamped in for low-temperature measurements. At present, low-cost polycrystalline diamond (Versimax((R))) pressure anvils are used. We predict a routine pressure regime up to 20GPa with sample volumes of approximate to 0.5mm(3). Future use of large CVD single-crystal diamond anvils will significantly expand this pressure range. We show examples for measurements at the SNAP, VISION and CORELLI beamlines of the SNS.
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