Osmium has the lowest experimentally determined compressibility

On the basis of high pressure diamond-anvil compression studies for the precious metals Ru, Ir, and Os we report the surprising discovery that metallic osmium has a lower compressibility than covalently bonded diamond. We also find that Ir and Ru are as incompressible as Re. In addition, we have per...

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Bibliographic Details
Published in:Physical review letters 2002-04, Vol.88 (13), p.135701-135701, Article 135701
Main Authors: Cynn, Hyunchae, Klepeis, John E, Yoo, Choong-Shik, Young, David A
Format: Article
Language:English
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Summary:On the basis of high pressure diamond-anvil compression studies for the precious metals Ru, Ir, and Os we report the surprising discovery that metallic osmium has a lower compressibility than covalently bonded diamond. We also find that Ir and Ru are as incompressible as Re. In addition, we have performed first principles calculations that confirm the trend in the measured transition metal compressibilities.
ISSN:0031-9007
1079-7114
DOI:10.1103/physrevlett.88.135701