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High-pressure cryst...
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Belonoshko, Anatoly B.KTH,Fysik
(author)
High-pressure crystal structure studies of Fe, Ru and Os
- Article/chapterEnglish2004
Publisher, publication year, extent ...
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Elsevier BV,2004
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printrdacarrier
Numbers
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LIBRIS-ID:oai:DiVA.org:kth-23583
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https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-23583URI
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https://doi.org/10.1016/j.jpcs.2003.11.043DOI
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https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-91799URI
Supplementary language notes
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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QC 20100525 QC 20110926
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In order to reveal structural trends with increasing pressure in d transition metals, we performed full potential linear muffin-tin orbital calculations for Fe, Ru, and Os in the hexagonal close packed structure. The calculations cover a wide volume range and demonstrate that all these hexagonal close-packed metals have non-ideal c/a at low pressures which, however, increases with pressure and asymptotically approaches the ideal value at very high compressions. These results are in accordance with most recent experiment for Ru and Os. The experimental data for iron is not conclusive, but it is believed that the c/a ratio decreases weakly with increasing pressure at moderate compression. Since, the experimental and calculated equations of state for iron are in increasingly good agreement with increasing pressure, it is possible that either the negative c/a trend is valid only for a restricted pressure range, or related to the experimental difficulties (e.g. non-hydrostaticity).
Subject headings and genre
Added entries (persons, corporate bodies, meetings, titles ...)
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Li, S.Uppsala universitet,Fysiska institutionen,Condensed Matter Theory Group
(author)
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Ahuja, RajeevUppsala universitet,Fysiska institutionen,Condensed Matter Theory Group(Swepub:uu)rajeeva
(author)
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Johansson, BörjeUppsala universitet,KTH,Materialvetenskap,Fysiska institutionen,Condensed Matter Theory Group(Swepub:uu)borjejs
(author)
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KTHFysik
(creator_code:org_t)
Related titles
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In:Journal of Physics and Chemistry of Solids: Elsevier BV65:09-aug, s. 1565-15710022-36971879-2553
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