Publication Cover
High Pressure Research
An International Journal
Volume 6, 1991 - Issue 6
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Original Articles

A system for doing low temperature-high pressure single crystal X-ray diffraction with a synchrotron source

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Pages 379-388 | Received 05 Aug 1991, Accepted 08 Sep 1991, Published online: 30 Sep 2010
 

Abstract

A new diamond anvil cell and a helium flow cryostat have been developed for X-ray diffraction on single crystals at low temperatures and high pressures using white radiation of a synchrotron beam. This novel instrument especially enables continuous change of temperature and pressure of the sample without any adjustment of alignment. Automatic search for diffraction peaks can be performed since less than 30 pm eccentricity can be maintained during the rotation of the cell in the cryostat and the rotation of the cryostat on the goniometer head. The minimum temperature reached is 46 K. Measurements of solid 4He at 11.8 GPa are presented which confirm the stability of the hcp phase on this isobar.

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