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Impact of magnetism on Fe under Earth's core conditions
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Materials Theory.
2013 (English)In: Physical Review B. Condensed Matter and Materials Physics, ISSN 1098-0121, E-ISSN 1550-235X, Vol. 87, no 1, 014405- p.Article in journal (Refereed) Published
Abstract [en]

Using a microscopic phenomenological model for longitudinal spin fluctuations (LSFs) based on density functional theory calculations, we demonstrate that under the Earth's core conditions (P approximate to 360 GPa, T approximate to 6000 K), Fe acquires substantial local magnetic moment, up to 1.3 mu(B), for different crystal structure modifications. We demonstrate that the LSFs produce a substantial effect on the magnetic and thermodynamic properties of iron, in particular, its equilibrium volume under solid Earth's core conditions.

Place, publisher, year, edition, pages
2013. Vol. 87, no 1, 014405- p.
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Natural Sciences
Identifiers
URN: urn:nbn:se:uu:diva-193487DOI: 10.1103/PhysRevB.87.014405ISI: 000313029600004OAI: oai:DiVA.org:uu-193487DiVA: diva2:603269
Available from: 2013-02-05 Created: 2013-02-04 Last updated: 2017-12-06Bibliographically approved

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Skorodumova, Natalia V.

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