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Recent developments on high-pressure single-crystal X-ray diffraction at the Partnership for eXtreme Xtallography (PX2) program

Abstract

Single-crystal X-ray diffraction is an established method to constrain the structure and chemistry of crystalline minerals under high-pressure conditions. Partnership for eXtreme Xtallography (PX2) is a high-pressure crystallographic research program dedicated to diamond anvil cell research. Located at the experimental station 13-BM-C of the Advanced Photon Source, PX2 provides 10 µm-level focused X-rays at a fixed energy of 28.6 keV, a 6-circle heavy duty diffractometer and a state-of-the-art Pilatus3 1 M photon-counting detector, optimized for a variety of advanced crystallography experiments. A suite of auxiliary equipment including a compact multipurpose optical table and remote membrane-based pressure control has been installed to facilitate the experiments. Resistive and laser heating capabilities have been commissioned to provide high-temperature sample environments for the study of the planetary interior. In this manuscript we present a few examples to demonstrate the experimental capabilities at PX2.

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Acknowledgements

This work was performed at GeoSoilEnviroCARS (Sector 13), Partnership for Extreme Crystallography program (PX2), Advanced Photon Source (APS), and Argonne National Laboratory. GeoSoilEnviroCARS is supported by the National Science Foundation-Earth Sciences (EAR-1634415) and Department of Energy-Geosciences (DE-FG02-94ER14466). PX2 program is supported by COMPRES under NSF Cooperative Agreement EAR-1661511. Use of the Advanced Photon Source was supported by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences, under Contract No. DE-C02-6CH11357.

Funding

Funding was provided by Division of Earth Sciences (Grant No. EAR-1634415, EAR-1661511), U.S. Department of Energy (Grant No. DE-FG02-94ER14466) and Basic Energy Sciences (Grant No. DE-C02-6CH11357).

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Correspondence to Dongzhou Zhang.

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This article is part of a Topical Collection “Experimental and Analytical Techniques at Extreme and Ambient Conditions”, guest edited by Stella Chariton, Vitali B. Prakapenka and Haozhe (Arthur) Liu.

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Zhang, D., Xu, J., Dera, P.K. et al. Recent developments on high-pressure single-crystal X-ray diffraction at the Partnership for eXtreme Xtallography (PX2) program. Phys Chem Minerals 49, 19 (2022). https://doi.org/10.1007/s00269-022-01197-3

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  • DOI: https://doi.org/10.1007/s00269-022-01197-3

Keywords

  • High pressure
  • High temperature
  • Crystallography
  • X-ray diffraction