Fluorinert as a pressure-transmitting medium for high-pressure diffraction studies

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Date

2003-10

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Volume Title

Publisher

AIP Publishing

Abstract

Fluorinert is a liquid pressure-transmitting medium that is widely used in high-pressure diffraction work. A systematic study of five different fluorinerts was carried out using single-crystal x-ray diffraction in a diamond-anvil cell in order to determine the pressure range over which they provide a hydrostatic stress state to the sample. It was found that none of the fluorinerts studied can be considered hydrostatic above 1.2 GPa, a lower pressure than reported previously. (C) 2003 American Institute of Physics.

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Keywords

neutron powder diffraction, x-ray-diffraction, diamond-anvil cell, nonhydrostatic stress|phase-transition, 10 gpa, crystallography, dependence, silicon

Citation

Varga, T; Wilkinson, AP; Angel, RJ. "Fluorinert as a pressure-transmitting medium for high-pressure diffraction studies," Rev. Sci. Instrum. 74, 4564 (2003); http://dx.doi.org/10.1063/1.1611993