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Atomistic spin dynamics of low-dimensional magnets
KTH, School of Information and Communication Technology (ICT), Materials- and Nano Physics, Material Physics, MF.ORCID iD: 0000-0003-4341-5663
2013 (English)In: Physical Review B. Condensed Matter and Materials Physics, ISSN 1098-0121, E-ISSN 1550-235X, Vol. 87, no 14, 144401- p.Article in journal (Refereed) Published
Abstract [en]

We investigate the magnetic properties of a range of low-dimensional ferromagnets using a combination of first-principles calculations and atomistic spin dynamics simulations. This approach allows us to evaluate the ground state and finite temperature properties of experimentally well characterized systems such as Co/Cu(111), Co/Cu(001), Fe/Cu(001) and Fe/W(110), for different thicknesses of the magnetic layer. We compare our calculated spin wave spectra with experimental data available in the literature, and find a good quantitative agreement. We also predict magnon spectra for systems for which no experimental data exist at the moment, and estimate the role of temperature effects.

Place, publisher, year, edition, pages
2013. Vol. 87, no 14, 144401- p.
Keyword [en]
Energy-Loss Spectroscopy, Ultrathin Fe Films, Exchange Interactions, Finite-Temperature, Co, Ni, Metals, Ferromagnetism, Behavior, Waves
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-122096DOI: 10.1103/PhysRevB.87.144401ISI: 000317194400001Scopus ID: 2-s2.0-84876178919OAI: oai:DiVA.org:kth-122096DiVA: diva2:622019
Funder
EU, European Research Council, 247062-ASDSwedish Research CouncilKnut and Alice Wallenberg Foundation
Note

QC 20130520

Available from: 2013-05-20 Created: 2013-05-13 Last updated: 2017-12-06Bibliographically approved

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Bergqvist, Lars

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