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Magnon softening in...
Magnon softening in a ferromagnetic monolayer : A first-principles spin dynamics study
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- Bergman, Anders, 1978- (author)
- KTH,Uppsala universitet,Materialteori,Materialvetenskap
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- Taroni, Andrea, 1981- (author)
- KTH,Uppsala universitet,Materialteori,Materialvetenskap
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- Bergqvist, Lars, 1976- (author)
- Uppsala universitet,Materialteori,Uppsala University, Sweden
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- Hellsvik, Johan, 1976- (author)
- Uppsala universitet,Materialteori
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- Hjörvarsson, Björgvin (author)
- Uppsala universitet,Materialfysik
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- Eriksson, Olle, 1960- (author)
- Uppsala universitet,Materialteori
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(creator_code:org_t)
- 2010
- 2010
- English.
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In: Physical Review B. Condensed Matter and Materials Physics. - 1098-0121 .- 1550-235X. ; 81:14, s. 144416-
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- We study the Fe/W(110) monolayer system through a combination of first-principles calculations and atomistic spin dynamics simulations. We focus on the dispersion of the spin-waves parallel to the [001] direction. Our results compare favorably with the experimental data of Prokop et al. [Phys. Rev. Lett. 102, 177206 (2009)] and correctly capture a drastic softening of the magnon spectrum, with respect to bulk bcc Fe. The suggested shortcoming of the itinerant electron model, in particular that given by density functional theory, is refuted. We also demonstrate that finite-temperature effects are significant, and that atomistic spin dynamics simulations represent a powerful tool with which to include these.
Subject headings
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Keyword
- Magnetism
- Magnetism
- Fysik med inriktning mot atom- molekyl- och kondenserande materiens fysik
- Physics with spec. in Atomic, Molecular and Condensed Matter Physics
- Condensed matter physics
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Bergman, Anders, ...
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Taroni, Andrea, ...
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Bergqvist, Lars, ...
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Hellsvik, Johan, ...
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Hjörvarsson, Bjö ...
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Eriksson, Olle, ...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Condensed Matter ...
- Articles in the publication
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Physical Review ...
- By the university
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Uppsala University
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Royal Institute of Technology