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Beating the miscibi...
Beating the miscibility barrier between iron group elements and magnesium by high-pressure alloying
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- Dubrovinskaia, N. (author)
- Universität Bayreuth, Germany
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- Dubrovinsky, L. (author)
- Universität Bayreuth, Germany
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- Kantor, I. (author)
- Universität Bayreuth, Germany
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- Crichton, W. A. (author)
- European Synchrotron Radiation Facility, Grenoble
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- Dmitriev, V. (author)
- Swiss-Norwegian Beam Lines at ESRF, Grenoble
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- Prakapenka, V. (author)
- University of Chicago, USA
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- Shen, G. (author)
- University of Chicago
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- Vitos, Levente (author)
- KTH,Tillämpad materialfysik,Uppsala University, KTH, Stockholm
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- Ahuja, Rajeev (author)
- KTH,Materialvetenskap,Uppsala University
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- Johansson, Börje (author)
- KTH,Tillämpad materialfysik,Uppsala University, KTH Stockholm
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- Abrikosov, Igor, 1965- (author)
- Linköpings universitet,Tekniska högskolan,Teoretisk Fysik
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(creator_code:org_t)
- American Physical Society, 2005
- 2005
- English.
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In: Physical Review Letters. - : American Physical Society. - 0031-9007 .- 1079-7114. ; 95:24
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
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- Iron and magnesium are almost immiscible at ambient pressure. The low solubility of Mg in Fe is due to a very large size mismatch between the alloy components. However, the compressibility of Mg is much higher than that of Fe, and therefore the difference in atomic sizes between elements decreases dramatically with pressure. Based on the predictions of ab initio calculations, we demonstrate in a series of experiments in a multianvil apparatus and in electrically and laser-heated diamond anvil cells that high pressure promotes solubility of magnesium in iron. At the megabar pressure range, more than 10 at. % of Mg can dissolve in Fe and then the alloy can be quenched to ambient conditions. A generality of the concept of high-pressure alloying between immiscible elements is demonstrated by its application to two other Fe group elements, Co and Ni.
Keyword
- mantle
- NATURAL SCIENCES
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Dubrovinskaia, N ...
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Dubrovinsky, L.
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Kantor, I.
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Crichton, W. A.
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Dmitriev, V.
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Prakapenka, V.
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show more...
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Shen, G.
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Vitos, Levente
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Ahuja, Rajeev
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Johansson, Börje
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Abrikosov, Igor, ...
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show less...
- Articles in the publication
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Physical Review ...
- By the university
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Royal Institute of Technology
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Linköping University