Sökning: id:"swepub:oai:DiVA.org:ltu-78023" >
Direct light–induce...
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Tengdin, PhoebeDepartment 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
(författare)
Direct light–induced spin transfer between different elements in a spintronic Heusler material via femtosecond laser excitation
- Artikel/kapitelEngelska2020
Förlag, utgivningsår, omfång ...
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American Association for the Advancement of Science,2020
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printrdacarrier
Nummerbeteckningar
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LIBRIS-ID:oai:DiVA.org:ltu-78023
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https://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-78023URI
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https://doi.org/10.1126/sciadv.aaz1100DOI
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https://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-80045URI
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https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-406728URI
Kompletterande språkuppgifter
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Språk:engelska
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Sammanfattning på:engelska
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Klassifikation
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:art swepub-publicationtype
Anmärkningar
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Validerad;2020;Nivå 2;2020-03-10 (johcin)
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Funding Agencies:United States Department of Energy (DOE) DE-SC0002002DARPA TEE Award D18AC00017Gordon and Betty Moore Foundation EPiQS Award GBMF4538United States Department of Energy (DOE) DE-SC0017643
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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 och genrebeteckningar
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Gentry, ChristianDepartment 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
(författare)
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Blonsky, AdamDepartment 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
(författare)
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Zusin, DmitriyDepartment 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
(författare)
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Gerrity, MichaelDepartment 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
(författare)
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Hellbrück, LukasResearch Center OPTIMAS, University of Kaiserslautern, Kaiserslautern, Germany,Univ Kaiserslautern, Res Ctr OPTIMAS, Erwin Schroedinger Str 46, D-67663 Kaiserslautern, Germany
(författare)
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Hofherr, MoritzResearch Center OPTIMAS, University of Kaiserslautern, Kaiserslautern, Germany,Univ Kaiserslautern, Res Ctr OPTIMAS, Erwin Schroedinger Str 46, D-67663 Kaiserslautern, Germany
(författare)
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Shaw, JustinQuantum Electromagnetics Division, National Institute of Standards and Technology, Boulder, CO, USA,NIST, Quantum Electromagnet Div, Boulder, CO 80305 USA
(författare)
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Kvashnin, YaroslavUppsala universitet,Materialteori(Swepub:uu)yarkv416
(författare)
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Koumpouras, KonstantinosLuleå tekniska universitet,Materialvetenskap,Lulea Univ, Dept Engn Sci & Math, SE-E186, Lulea, Sweden(Swepub:ltu)koskou
(författare)
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Arora, MonikaQuantum Electromagnetics Division, National Institute of Standards and Technology, Boulder, CO, USA,NIST, Quantum Electromagnet Div, Boulder, CO 80305 USA
(författare)
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Nembach, HansDepartment 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
(författare)
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Silva, Tom J.Quantum Electromagnetics Division, National Institute of Standards and Technology, Boulder, CO, USA,NIST, Quantum Electromagnet Div, Boulder, CO 80305 USA
(författare)
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Mathias, StefanGeorg-August-Universität Göttingen, I. Physikalisches Institut, Göttingen, Germany,Georg August Univ Gottingen, Phys Inst 1, Friedrich Hund Pl 1, D-37077 Gottingen, Germany
(författare)
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Aeschlimann, MartinResearch Center OPTIMAS, University of Kaiserslautern, Kaiserslautern, Germany,Univ Kaiserslautern, Res Ctr OPTIMAS, Erwin Schroedinger Str 46, D-67663 Kaiserslautern, Germany
(författare)
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Kapteyn, Henry C.Department of Physics and JILA, University of Colorado and NIST, Boulder, CO, USA
(författare)
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Thonig, Danny,1986-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(Swepub:uu)danth478
(författare)
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Koumpouras, KonstantinosLuleå tekniska universitet,Materialvetenskap(Swepub:ltu)koskou
(författare)
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Eriksson, Olle,1960-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(Swepub:uu)olleerik
(författare)
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Murnane, Margaret M.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
(författare)
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Delczeg-Czirjak, Erna KrisztinaUppsala universitet,Materialteori(Swepub:uu)ernde783
(författare)
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Department of Physics and JILA, University of Colorado and NIST, Boulder, CO, USAUniv Colorado, Dept Phys, Boulder, CO 80309 USA;Univ Colorado, JILA, Boulder, CO 80309 USA;NIST, Boulder, CO 80309 USA
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Science Advances: American Association for the Advancement of Science6:32375-2548
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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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