Megabar high-pressure cells for Raman measurements

Experimental aspects of Raman measurements at megabar pressures are considered. Features of diamond anvil cells working above 200 GPa are described. Problems of luminescence background at megabar pressures and the use of low‐luminescence diamonds are considered. Methods of pressure measurements at v...

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Bibliographic Details
Published in:Journal of Raman spectroscopy 2003-07, Vol.34 (7-8), p.515-518
Main Author: Eremets, M. I.
Format: Article
Language:English
Subjects:
Anvils
diamond
Diamond anvil cells
Estimates
Luminescence
megabar pressures
Pressure dependence
Pressure measurement
pressure scale
Raman spectroscopy
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Summary:Experimental aspects of Raman measurements at megabar pressures are considered. Features of diamond anvil cells working above 200 GPa are described. Problems of luminescence background at megabar pressures and the use of low‐luminescence diamonds are considered. Methods of pressure measurements at very high pressures are discussed. The pressure dependence of the Raman shift from the diamond anvil tip was used as a reliable estimate of the pressure. Copyright © 2003 John Wiley & Sons, Ltd.
ISSN:0377-0486
1097-4555
DOI:10.1002/jrs.1044