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Direct light–induce...
Direct light–induced spin transfer between different elements in a spintronic Heusler material via femtosecond laser excitation
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- Tengdin, Phoebe (författare)
- Department of Physics and JILA, University of Colorado and NIST, Boulder, CO, USA,Univ Colorado, Dept Phys, Boulder, CO 80309 USA;Univ Colorado, JILA, Boulder, CO 80309 USA;NIST, Boulder, CO 80309 USA
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- Gentry, Christian (författare)
- Department of Physics and JILA, University of Colorado and NIST, Boulder, CO, USA,Univ Colorado, Dept Phys, Boulder, CO 80309 USA;Univ Colorado, JILA, Boulder, CO 80309 USA;NIST, Boulder, CO 80309 USA
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- Blonsky, Adam (författare)
- Department of Physics and JILA, University of Colorado and NIST, Boulder, CO, USA,Univ Colorado, Dept Phys, Boulder, CO 80309 USA;Univ Colorado, JILA, Boulder, CO 80309 USA;NIST, Boulder, CO 80309 USA
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visa fler...
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- Zusin, Dmitriy (författare)
- Department of Physics and JILA, University of Colorado and NIST, Boulder, CO, USA,Univ Colorado, Dept Phys, Boulder, CO 80309 USA;Univ Colorado, JILA, Boulder, CO 80309 USA;NIST, Boulder, CO 80309 USA
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- Gerrity, Michael (författare)
- Department of Physics and JILA, University of Colorado and NIST, Boulder, CO, USA,Univ Colorado, Dept Phys, Boulder, CO 80309 USA;Univ Colorado, JILA, Boulder, CO 80309 USA;NIST, Boulder, CO 80309 USA
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- Hellbrück, Lukas (författare)
- Research Center OPTIMAS, University of Kaiserslautern, Kaiserslautern, Germany,Univ Kaiserslautern, Res Ctr OPTIMAS, Erwin Schroedinger Str 46, D-67663 Kaiserslautern, Germany
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- Hofherr, Moritz (författare)
- Research Center OPTIMAS, University of Kaiserslautern, Kaiserslautern, Germany,Univ Kaiserslautern, Res Ctr OPTIMAS, Erwin Schroedinger Str 46, D-67663 Kaiserslautern, Germany
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- Shaw, Justin (författare)
- Quantum Electromagnetics Division, National Institute of Standards and Technology, Boulder, CO, USA,NIST, Quantum Electromagnet Div, Boulder, CO 80305 USA
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- Kvashnin, Yaroslav (författare)
- Uppsala universitet,Materialteori
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- Koumpouras, Konstantinos (författare)
- Luleå tekniska universitet,Materialvetenskap,Lulea Univ, Dept Engn Sci & Math, SE-E186, Lulea, Sweden
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- Arora, Monika (författare)
- Quantum Electromagnetics Division, National Institute of Standards and Technology, Boulder, CO, USA,NIST, Quantum Electromagnet Div, Boulder, CO 80305 USA
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- Nembach, Hans (författare)
- Department of Physics and JILA, University of Colorado and NIST, Boulder, CO, USA; Quantum Electromagnetics Division, National Institute of Standards and Technology, Boulder, CO, USA,Univ Colorado, Dept Phys, Boulder, CO 80309 USA;Univ Colorado, JILA, Boulder, CO 80309 USA;NIST, Boulder, CO 80309 USA;NIST, Quantum Electromagnet Div, Boulder, CO 80305 USA
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- Silva, Tom J. (författare)
- Quantum Electromagnetics Division, National Institute of Standards and Technology, Boulder, CO, USA,NIST, Quantum Electromagnet Div, Boulder, CO 80305 USA
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- Mathias, Stefan (författare)
- Georg-August-Universität Göttingen, I. Physikalisches Institut, Göttingen, Germany,Georg August Univ Gottingen, Phys Inst 1, Friedrich Hund Pl 1, D-37077 Gottingen, Germany
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- Aeschlimann, Martin (författare)
- Research Center OPTIMAS, University of Kaiserslautern, Kaiserslautern, Germany,Univ Kaiserslautern, Res Ctr OPTIMAS, Erwin Schroedinger Str 46, D-67663 Kaiserslautern, Germany
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- Kapteyn, Henry C. (författare)
- Department of Physics and JILA, University of Colorado and NIST, Boulder, CO, USA
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- Thonig, Danny, 1986- (författare)
- Uppsala universitet,Örebro universitet,Institutionen för naturvetenskap och teknik,Department of Physics and Astronomy, University Uppsala, Uppsala, Sweden; School of Science and Technology, Örebro University, Örebro, Sweden,Materialteori,Orebro Univ, Sch Sci & Technol, SE-70182 Orebro, Sweden
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- Koumpouras, Konstantinos (författare)
- Luleå tekniska universitet,Materialvetenskap
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- Eriksson, Olle, 1960- (författare)
- Uppsala universitet,Örebro universitet,Institutionen för naturvetenskap och teknik,Department of Physics and Astronomy, University Uppsala, Uppsala, Sweden; School of Science and Technology, Örebro University, Örebro, Sweden,Materialteori,Orebro Univ, Sch Sci & Technol, SE-70182 Orebro, Sweden
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- Murnane, Margaret M. (författare)
- Department of Physics and JILA, University of Colorado and NIST, Boulder, CO, USA,Univ Colorado, Dept Phys, Boulder, CO 80309 USA;Univ Colorado, JILA, Boulder, CO 80309 USA;NIST, Boulder, CO 80309 USA
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- Delczeg-Czirjak, Erna Krisztina (författare)
- Uppsala universitet,Materialteori
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(creator_code:org_t)
- American Association for the Advancement of Science, 2020
- 2020
- Engelska.
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Ingår i: Science Advances. - : American Association for the Advancement of Science. - 2375-2548. ; 6:3
- Relaterad länk:
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https://advances.sci...
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https://doi.org/10.1...
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https://uu.diva-port... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- Heusler compounds are exciting materials for future spintronics applications because they display a wide range of tunable electronic and magnetic interactions. Here, we use a femtosecond laser to directly transfer spin polarization from one element to another in a half-metallic Heusler material, Co2MnGe. This spin transfer initiates as soon as light is incident on the material, demonstrating spatial transfer of angular momentum between neighboring atomic sites on time scales < 10 fs. Using ultrafast high harmonic pulses to simultaneously and independently probe the magnetic state of two elements during laser excitation, we find that the magnetization of Co is enhanced, while that of Mn rapidly quenches. Density functional theory calculations show that the optical excitation directly transfers spin from one magnetic sublattice to another through preferred spin-polarized excitation pathways. This direct manipulation of spins via light provides a path toward spintronic devices that can operate on few-femtosecond or faster time scales.
Ämnesord
- NATURVETENSKAP -- Fysik -- Annan fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Other Physics Topics (hsv//eng)
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
Nyckelord
- Applied Physics
- Tillämpad fysik
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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Till lärosätets databas
- Av författaren/redakt...
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Tengdin, Phoebe
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Gentry, Christia ...
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Blonsky, Adam
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Zusin, Dmitriy
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Gerrity, Michael
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Hellbrück, Lukas
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visa fler...
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Hofherr, Moritz
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Shaw, Justin
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Kvashnin, Yarosl ...
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Koumpouras, Kons ...
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Arora, Monika
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Nembach, Hans
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Silva, Tom J.
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Mathias, Stefan
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Aeschlimann, Mar ...
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Kapteyn, Henry C ...
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Thonig, Danny, 1 ...
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Eriksson, Olle, ...
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Murnane, Margare ...
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Delczeg-Czirjak, ...
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- Om ämnet
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- NATURVETENSKAP
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NATURVETENSKAP
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och Fysik
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och Annan fysik
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- NATURVETENSKAP
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NATURVETENSKAP
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och Fysik
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och Den kondenserade ...
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- NATURVETENSKAP
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NATURVETENSKAP
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och Fysik
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och Atom och molekyl ...
- Artiklar i publikationen
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Science Advances
- Av lärosätet
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Luleå tekniska universitet
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Örebro universitet
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Uppsala universitet