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Open AccessArticle

A Paris-Edinburgh Cell for High-Pressure and High-Temperature Structure Studies on Silicate Liquids Using Monochromatic Synchrotron Radiation

1
Center for Advanced Radiation Sources, The University of Chicago, Chicago, IL 60637, USA
2
Geophysical Laboratory, Carnegie Institution of Washington, Argonne, IL 60439, USA
3
HPCAT, X-ray Science Division, Argonne National Laboratory, Argonne, IL 60439, USA
4
Physics and Astronomy Department, Union College, Schenectady, NY 12308, USA
*
Author to whom correspondence should be addressed.
Currently at the Institute of Geology and Mineralogy, University of Cologne, Albertus-Magnus-Platz, 50674 Cologne, Germany.
Currently at the State Key Laboratory of Geological Processes and Mineral Resources, China University of Geosciences-Wuhan, Wuhan 430074, China.
§
Currently at the Applied Physics Department, Soreq Nuclear Research Center (NRC), Yavne 81800, Israel.
Currently at the Geodynamics Research Center, Ehime University, Matsuyama 790-8577, Japan.
Minerals 2019, 9(11), 715; https://doi.org/10.3390/min9110715
Received: 16 October 2019 / Revised: 13 November 2019 / Accepted: 14 November 2019 / Published: 19 November 2019
(This article belongs to the Special Issue Mineral Physics—In Memory of Orson Anderson)
A Paris-Edinburgh press combined with a multi-channel collimator assembly has been commissioned at the GeoSoilEnviro Center for Advanced Radiation Sources (GSECARS) beamline for monochromatic X-ray scattering, with an emphasis on studying low-Z liquids, especially silicate liquids at high pressure. The Paris-Edinburgh press is mounted on a general-purpose diffractometer, with a pixel array detector mounted on the detector arm. The incident monochromatic undulator beam with energies up to 60 keV is focused both horizontally and vertically to a beam size about 30 × 30 µm. With this setup, background scattering from the surrounding pressure media is completely removed at 2θ angles above 10° for samples larger than 1.05 mm in diameter. Thirty minutes is typically sufficient to collect robust X-ray scattering signals from a 1.6 mm diameter amorphous silicate sample. Cell assemblies for the standard Paris-Edinburgh anvils have been developed and pressures and temperatures up to 7 GPa and 2300 K, respectively, have been maintained steadily over hours. We have also developed a cupped-toroidal Drickamer anvil to further increase pressure and temperature capabilities. The cupped-toroidal Drickamer anvil combines features of a modified Drickamer anvil and the traditional Paris-Edinburgh anvil. Pressures up to 12 GPa have been generated at temperatures up to 2100 K. View Full-Text
Keywords: Paris-Edinburgh cell; multi-channel collimator; X-ray scattering; non-crystalline materials; high pressure; high temperature Paris-Edinburgh cell; multi-channel collimator; X-ray scattering; non-crystalline materials; high pressure; high temperature
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Yu, T.; Prescher, C.; Ryu, Y.J.; Shi, F.; Greenberg, E.; Prakapenka, V.; Eng, P.; Stubbs, J.; Kono, Y.; Shen, G.; Watson, H.; Rivers, M.L.; Sutton, S.R.; Wang, Y. A Paris-Edinburgh Cell for High-Pressure and High-Temperature Structure Studies on Silicate Liquids Using Monochromatic Synchrotron Radiation. Minerals 2019, 9, 715.

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