Document Detail

Noblest of all metals is structurally unstable at high pressure.
MedLine Citation:
PMID:  17358786     Owner:  NLM     Status:  PubMed-not-MEDLINE    
In a series of experiments in externally electrically heated diamond anvil cells we demonstrate that at pressures above approximately 240 GPa gold adopts a hexagonal-close-packed structure. Ab initio calculations predict that at pressures about 250 GPa different stacking sequences of close-packed atomic layers in gold become virtually degenerate in energy, strongly supporting the experimental observations.
L Dubrovinsky; N Dubrovinskaia; W A Crichton; A S Mikhaylushkin; S I Simak; I A Abrikosov; J S de Almeida; R Ahuja; W Luo; B Johansson
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Publication Detail:
Type:  Journal Article     Date:  2007-01-25
Journal Detail:
Title:  Physical review letters     Volume:  98     ISSN:  0031-9007     ISO Abbreviation:  Phys. Rev. Lett.     Publication Date:  2007 Jan 
Date Detail:
Created Date:  2007-03-15     Completed Date:  2007-04-24     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0401141     Medline TA:  Phys Rev Lett     Country:  United States    
Other Details:
Languages:  eng     Pagination:  045503     Citation Subset:  -    
Bayerisches Geoinstitut, Universität Bayreuth, D-95440 Bayreuth, Germany.
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