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Atom-specific magno...
Atom-specific magnon-driven ultrafast spin dynamics in Fe1-xNix alloys
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- Jana, Somnath (author)
- Uppsala universitet,Institutionen för fysik och astronomi,Max Born Inst Nichtlineare Opt & Kurzzeitspektrosk, Max Born Str 2A, D-12489 Berlin, Germany.
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- Knut, Ronny (author)
- Uppsala universitet,Energimaterialens fysik
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- Delczeg-Czirjak, Erna Krisztina (author)
- Uppsala universitet,Materialteori
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- Malik, Rameez Saeed, 1987- (author)
- Uppsala universitet,Energimaterialens fysik
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- Stefanuik, Robert (author)
- Uppsala universitet,Kemisk och biomolekylär fysik
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- Terschlüsen, Joachim A. (author)
- Uppsala Univ, Dept Phys & Astron, Box 516, S-75120 Uppsala, Sweden.
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- Chimata, Raghuveer (author)
- Uppsala universitet,Materialteori
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- Phuyal, Dibya (author)
- Uppsala universitet,Institutionen för fysik och astronomi
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- Kamalakar, M. Venkata (author)
- Uppsala universitet,Energimaterialens fysik
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- Akansel, Serkan (author)
- Uppsala universitet,Fasta tillståndets fysik
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- Primetzhofer, Daniel (author)
- Uppsala universitet,Tillämpad kärnfysik,Tandemlaboratoriet
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- Ahlberg, Martina (author)
- Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU)
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- Söderström, Johan, 1978- (author)
- Uppsala universitet,Kemisk och biomolekylär fysik
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- Åkerman, Johan (author)
- Gothenburg University,Göteborgs universitet,KTH,Material- och nanofysik,Univ Gothenburg, Dept Phys, S-41296 Gothenburg, Sweden.;KTH Royal Inst Technol, Sch Engn Sci, Dept Appl Phys, S-16440 Kista, Sweden.,Institutionen för fysik (GU),Department of Physics (GU)
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- Svedlindh, Peter (author)
- Uppsala universitet,Fasta tillståndets fysik
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- Eriksson, Olle, 1960- (author)
- Uppsala universitet,Materialteori,Materialfysik,Fasta tillståndets fysik
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- Karis, Olof (author)
- Uppsala universitet,Energimaterialens fysik
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(creator_code:org_t)
- American Physical Society (APS), 2023
- 2023
- English.
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In: Physical Review B. - : American Physical Society (APS). - 2469-9950 .- 2469-9969. ; 107:18
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Abstract
Subject headings
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- By employing element-specific spectroscopy in the ultrafast time scale in Fe1-xNix alloys, we find a composition-dependent effect in the demagnetization that we relate to electron-magnon scattering and changes in the spin-wave stiffness. In all six measured alloys of different composition, the demagnetization of Ni compared to Fe exhibits a delay, an effect which we find is inherent in alloys but not in elemental Fe and Ni. Using a model based on electron-magnon scattering, we extract a spin-wave stiffness from all alloys that show excellent agreement with values obtained from other techniques.
Subject headings
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Jana, Somnath
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Knut, Ronny
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Delczeg-Czirjak, ...
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Malik, Rameez Sa ...
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Stefanuik, Rober ...
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Terschlüsen, Joa ...
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Chimata, Raghuve ...
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Phuyal, Dibya
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Kamalakar, M. Ve ...
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Akansel, Serkan
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Primetzhofer, Da ...
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Ahlberg, Martina
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Söderström, Joha ...
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Åkerman, Johan
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Svedlindh, Peter
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Eriksson, Olle, ...
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Karis, Olof
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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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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
- 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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Uppsala University
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University of Gothenburg