The HXD95: A modified Bassett-type hydrothermal diamond anvil cell for in situ XRD experiments up to 5 GPa and 1300 K

Marion Louvel, James W. E. Drewitt, Allan Ross, Richard Thwaites, Benedict J. Heinen, Dean S. Keeble, Christine M. Beavers, Michael J. Walter, Simone Anzellini

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Abstract

We report a new diamond anvil cell apparatus for in situ synchrotron X-ray diffraction measurements of liquids and glasses at pressures from ambient to 5 GPa and temperatures from ambient to 1300 K. This portable set-up enables in situ monitoring of melting of complex compounds, and the determination of the structure and properties of melts under moderately high-pressure and hightemperature conditions relevant to industrial processes and magmatic processes in Earth’s crust and shallow mantle. The device was constructed according to a modified Bassett-type hydrothermal diamond-anvil cell design with a large angular opening ( = 95°). In this paper, we report the successful application of this device to record in situ synchrotron X-ray diffraction of liquid Ga and synthetic PbSiO3 glass to 1100 K and 3 GPa.
Original languageEnglish
Pages (from-to)529-537
Number of pages9
JournalJournal of Synchrotron Radiation
Volume27
Issue number2
DOIs
Publication statusPublished - 1 Mar 2020

Keywords

  • diamond-anvil cells
  • resistive heating
  • synchrotron characterization
  • metallic liquids
  • glasses and melts
  • extreme conditions

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