Partnership for Extreme Crystallography (PX^2)

 

PX^2 Facility supports diamond anvil cell experiments with both single crystal and powder samples.


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In June 2014 in collaboration with the University of Hawaii and GSECARS, COMPRES funded Partnership for eXtreme Xtallography (PX^2), a new facility for high-pressure diamond anvil cell research at the APS. Located at the experimental station 13BM-C at GSECARS, the new beamline offers a focused, monochromatic 29 keV incident beam and a unique 6-circle heavy duty Newport diffractometer, optimized for variety of advanced crystallography experiments, including structure determination, equation of state studies and diffuse scattering analysis.

Currently under construction is state of the art optical spectroscopy and laser heating system that will enable heating single crystal samples to temperatures of thousands of K and allow data collection during heating (currently only one other system of this novel type exists in the world). The PX^2 facility will support diamond anvil cell experiments with both single crystal and powder samples with unmatched high resolution in pressure range 0-80 GPa.

Mission: Advanced research at conditions of extreme pressure, temperature and strain rates, exploring structure, defects, strain, and transformations of minerals and materials of technological interest with advanced crystallographic techniques

Access: Up to 50% beamtime available for high pressure experiments

Main techniques: Monochromatic angle dispersive diffraction on single crystals and polycrystals at ambient and high temperatures using diamond anvil cells

Studies of: equation of state, phase transitions, structure determination

Materials: minerals, metals, oxides, silicates, nitrides, manganites, clathrates, microinclusions and many others

Funding

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