| Noblest of all metals is structurally unstable at high pressure. | |
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MedLine Citation:
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PMID: 17358786 Owner: NLM Status: PubMed-not-MEDLINE |
Abstract/OtherAbstract:
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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. |
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Authors:
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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:
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Type: Journal Article Date: 2007-01-25 |
Journal Detail:
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Title: Physical review letters Volume: 98 ISSN: 0031-9007 ISO Abbreviation: Phys. Rev. Lett. Publication Date: 2007 Jan |
Date Detail:
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Created Date: 2007-03-15 Completed Date: 2007-04-24 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0401141 Medline TA: Phys Rev Lett Country: United States |
Other Details:
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Languages: eng Pagination: 045503 Citation Subset: - |
Affiliation:
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Bayerisches Geoinstitut, Universität Bayreuth, D-95440 Bayreuth, Germany. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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