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First-principles Dz...
First-principles Dzyaloshinskii-Moriya interaction in a non-collinear framework
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- Cardias, Ramon, 1990- (author)
- Uppsala universitet,Materialteori,Univ Fed Para, Fac Fis, Belem, Para, Brazil; Univ Paris Saclay, CEA Saclay, CNRS, SPEC, CEA, F-91191 Gif Sur Yvette, France
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- Szilva, Attila (author)
- Uppsala universitet,Materialteori
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- Bezerra-Neto, M. M. (author)
- Instituto de Engenharia e Geociências, Universidade Federal do Oeste do Pará, Santarém, PA, Brazil,Univ Fed Oeste Para, Inst Engn & Geociencias, Santarem, PA, Brazil
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- Ribeiro, M. S. (author)
- Instituto Federal do Pará, Campus Belém, Belém, PA, Brazil,Inst Fed Para, Campus Belem, Belem, Para, Brazil
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- Bergman, Anders, 1978- (author)
- Uppsala universitet,Materialteori,Univ Fed Para, Fac Fis, Belem, Para, Brazil
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- Kvashnin, Yaroslav O. (author)
- Uppsala universitet,Materialteori
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- Fransson, Jonas, 1970- (author)
- Uppsala universitet,Materialteori
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- Klautau, A. B. (author)
- Faculdade de Física, Universidade Federal do Pará, Belém, PA, Brazil
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- Eriksson, Olle, 1960- (author)
- Uppsala universitet,Örebro universitet,Institutionen för naturvetenskap och teknik,Department of Physics and Astronomy, Uppsala University, Uppsala, Sweden,Materialteori,Örebro Univ, Sch Sci & Technol, S-70182 Örebro, Sweden
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- Nordström, Lars (author)
- Uppsala universitet,Materialteori
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(creator_code:org_t)
- 2020-11-23
- 2020
- English.
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In: Scientific Reports. - : Nature Publishing Group. - 2045-2322. ; 10:1
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Abstract
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- We have derived an expression of the Dzyaloshinskii-Moriya interaction (DMI), where all the three components of the DMI vector can be calculated independently, for a general, non-collinear magnetic configuration. The formalism is implemented in a real space-linear muffin-tin orbital-atomic sphere approximation (RS-LMTO-ASA) method. We have chosen the Cr triangular trimer on Au(111) and Mn triangular trimers on Ag(111) and Au(111) surfaces as numerical examples. The results show that the DMI (module and direction) is drastically different between collinear and non-collinear states. Based on the relation between the spin and charge currents flowing in the system and their coupling to the non-collinear magnetic configuration of the triangular trimer, we demonstrate that the DMI interaction can be significant, even in the absence of spin-orbit coupling. This is shown to emanate from the non-collinear magnetic structure, that can induce significant spin and charge currents even with spin-orbit coupling is ignored.
Subject headings
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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Cardias, Ramon, ...
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Szilva, Attila
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Bezerra-Neto, M. ...
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Ribeiro, M. S.
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Bergman, Anders, ...
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Kvashnin, Yarosl ...
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Fransson, Jonas, ...
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Klautau, A. B.
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Eriksson, Olle, ...
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Nordström, Lars
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- 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 ...
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Scientific Repor ...
- By the university
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Örebro University
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Uppsala University