Wide-angle diamond cell for neutron scattering

Bianca Haberl, Sachith Dissanayake, Feng Ye, Luke L. Daemen, Yongqiang Cheng, Chen W. Li, A. J.(Timmy) Ramirez-Cuesta, Masaaki Matsuda, Jamie J. Molaison, Reinhard Boehler

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

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®) pressure anvils are used. We predict a routine pressure regime up to 20 GPa with sample volumes of ∼0.5 mm3. 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.

Original languageEnglish
Pages (from-to)495-506
Number of pages12
JournalHigh Pressure Research
Volume37
Issue number4
DOIs
StatePublished - Oct 2 2017

Funding

This material is published by permission of the Oak Ridge National Laboratory, operated by UT-Battelle, LLC for the US Department of Energy under Contract No. DE-AC05-00OR22725. The US Government retains for itself, and others acting on its behalf, a paid-up, non-exclusive, and irrevocable worldwide license in said article to reproduce, prepare derivative works, distribute copies to the public, and perform publicly and display publicly, by or on behalf of the Government. The development of the cell was supported by the Laboratory Directed Research and Development Program of Oak Ridge National Laboratory, managed by UT-Batelle LLC, for the U.S. Department of Energy. Work by RB was partially supported by the Energy Frontier Research in Extreme Environments (EFree) Center, an Energy Frontier Research Center funded by the U.S. Department of Energy (DOE), Office of Science, Basic Energy Sciences (BES) under award number DE-SC0001057.

FundersFunder number
Energy Frontier Research Center
Energy Frontier Research in Extreme Environments
US Department of Energy
UT-Batelle LLC
UT-Battelle
U.S. Department of Energy
Office of Science
Basic Energy SciencesBES, DE-SC0001057
Oak Ridge National Laboratory
Laboratory Directed Research and Development

    Keywords

    • High pressure neutron scattering
    • diamond anvil cell
    • inelastic neutron scattering

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