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The interplay of local electron correlations and ultrafast spin dynamics in fcc Ni

Lojewski, Tobias (author)
Univ Duisburg Essen, Fac Phys, Duisburg, Germany.
Elhanoty, Mohamed F. (author)
Univ Duisburg Essen, Ctr Nanointegrat Duisburg Essen CENIDE, Duisburg, Germany.
Le Guyader, Loic (author)
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Granaes, Oscar (author)
Univ Duisburg Essen, Ctr Nanointegrat Duisburg Essen CENIDE, Duisburg, Germany.
Agarwal, Naman (author)
Boeglin, Christine (author)
European XFEL, Schenefeld, Germany.;Univ Strasbourg, Inst Phys & Chimiedes Mat Strasbourg, CNRS, Strasbourg, France.
Carley, Robert (author)
Castoldi, Andrea (author)
Politecn Milan, Dipartimento Elettron Informaz & Bioingn, Milan, Italy.;Ist Nazl Fis Nucleare, Sez Milano, Milan, Italy.
David, Christian (author)
Paul Scherrer Inst, Villigen PSI, Wurenlingen, Switzerland.
Deiter, Carsten (author)
Doering, Florian (author)
Paul Scherrer Inst, Villigen PSI, Wurenlingen, Switzerland.
Engel, RobinY (author)
Deutsch Elektronen Synchrotron DESY, Hamburg, Germany.
Erdinger, Florian (author)
Heidelberg Univ, Inst Comp Engn, Heidelberg, Germany.
Fangohr, Hans (author)
Max Planck Inst Struct & Dynam Matter, Hamburg, Germany. Univ Southampton, Southampton, England. Univ Utrecht, Debye Inst Nanomat Sci, Mat Chem & Catalysis MCC, Utrecht, Netherlands. Swiss Fed Inst Technol, Dept Mat, Zurich, Switzerland. Ca Foscari Univ Venice, Dept Mol Sci & Nanosyst, Venice, Italy. INFN, Lab Nazl Frascati, Rome, Italy. Univ Appl Sci & Arts Northwestern Switzerland, Windisch, Switzerland.
Fiorini, Carlo (author)
Politecn Milan, Dipartimento Elettron Informaz & Bioingn, Milan, Italy.;Ist Nazl Fis Nucleare, Sez Milano, Milan, Italy.
Fischer, Peter (author)
Heidelberg Univ, Inst Comp Engn, Heidelberg, Germany.
Gerasimova, Natalia (author)
Gort, Rafael (author)
deGroot, Frank (author)
Hansen, Karsten (author)
Deutsch Elektronen Synchrotron DESY, Hamburg, Germany.
Hauf, Steffen (author)
Hickin, David (author)
Izquierdo, Manuel (author)
Van Kuiken, Benjamin E. (author)
Kvashnin, Yaroslav (author)
Lambert, Charles-Henri (author)
Lomidze, David (author)
Maffessanti, Stefano (author)
Deutsch Elektronen Synchrotron DESY, Hamburg, Germany.
Mercadier, Laurent (author)
Mercurio, Giuseppe (author)
Miedema, Piter S. (author)
Deutsch Elektronen Synchrotron DESY, Hamburg, Germany.
Ollefs, Katharina (author)
Univ Duisburg Essen, Fac Phys, Duisburg, Germany.
Pace, Matthias (author)
European XFEL, Schenefeld, Germany.;Univ Strasbourg, Inst Phys & Chimiedes Mat Strasbourg, CNRS, Strasbourg, France.
Porro, Matteo (author)
Rezvani, Javad (author)
Roesner, Benedikt (author)
Paul Scherrer Inst, Villigen PSI, Wurenlingen, Switzerland.
Rothenbach, Nico (author)
Univ Duisburg Essen, Fac Phys, Duisburg, Germany.
Samartsev, Andrey (author)
Deutsch Elektronen Synchrotron DESY, Hamburg, Germany.
Scherz, Andreas (author)
Schlappa, Justina (author)
Stamm, Christian (author)
Teichmann, Martin (author)
Thunström, Patrik, 1981- (author)
Uppsala universitet,Materialteori
Turcato, Monica (author)
European XFEL, Schenefeld, Germany.
Yaroslavtsev, Alexander (author)
Uppsala universitet,FREIA,Univ Duisburg Essen, Ctr Nanointegrat Duisburg Essen CENIDE, Duisburg, Germany.;European XFEL, Schenefeld, Germany.
Zhu, Jun (author)
European XFEL, Schenefeld, Germany.
Beye, Martin (author)
Deutsch Elektronen Synchrotron DESY, Hamburg, Germany.
Wende, Heiko (author)
Univ Duisburg Essen, Fac Phys, Duisburg, Germany.
Bovensiepen, Uwe (author)
Univ Duisburg Essen, Fac Phys, Duisburg, Germany.
Eriksson, Olle (author)
Univ Duisburg Essen, Ctr Nanointegrat Duisburg Essen CENIDE, Duisburg, Germany.
Eschenlohr, Andrea (author)
Univ Duisburg Essen, Fac Phys, Duisburg, Germany.;Univ Duisburg Essen, Fac Phys, Ctr Nanointegrat Duisburg Essen CENIDE, Lotharstr 1, D-47057 Duisburg, Germany.
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Univ Duisburg Essen, Fac Phys, Duisburg, Germany Univ Duisburg Essen, Ctr Nanointegrat Duisburg Essen CENIDE, Duisburg, Germany. (creator_code:org_t)
Taylor & Francis, 2023
2023
English.
In: Materials Research Letters. - : Taylor & Francis. - 2166-3831. ; 11:8, s. 655-661
Related links:
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https://uu.diva-port... (primary) (Raw object)
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  • Journal article (peer-reviewed)
Abstract Subject headings
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  • The complex electronic structure of metallic ferromagnets is determined by a balance between exchange interaction, electron hopping leading to band formation, and local Coulomb repulsion. By combining high energy and temporal resolution in femtosecond time-resolved X-ray absorption spectroscopy with ab initio time-dependent density functional theory we analyze the electronic structure in fcc Ni on the time scale of these interactions in a pump-probe experiment. We distinguish transient broadening and energy shifts in the absorption spectra, which we demonstrate to be captured by electron repopulation respectively correlation-induced modifications of the electronic structure, requiring to take the local Coulomb interaction into account.

Subject headings

NATURVETENSKAP  -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
NATURVETENSKAP  -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Condensed Matter Physics (hsv//eng)

Keyword

Ferromagnetism
local correlations
ultrafast dynamics
time-resolved x-ray absorption spectroscopy
time-dependent density functional theory

Publication and Content Type

ref (subject category)
art (subject category)

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