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| 001 | 1020242 | ||
| 005 | 20240226075245.0 | ||
| 024 | 7 | _ | |a 10.1038/s41565-023-01470-8 |2 doi |
| 024 | 7 | _ | |a 1748-3387 |2 ISSN |
| 024 | 7 | _ | |a 1748-3395 |2 ISSN |
| 024 | 7 | _ | |a 10.34734/FZJ-2023-05909 |2 datacite_doi |
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| 037 | _ | _ | |a FZJ-2023-05909 |
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| 100 | 1 | _ | |a Seifert, Tom S. |0 P:(DE-HGF)0 |b 0 |e Corresponding author |
| 245 | _ | _ | |a Time-domain observation of ballistic orbital-angular-momentum currents with giant relaxation length in tungsten |
| 260 | _ | _ | |a London [u.a.] |c 2023 |b Nature Publishing Group |
| 336 | 7 | _ | |a article |2 DRIVER |
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| 520 | _ | _ | |a The emerging field of orbitronics exploits the electron orbital momentum L. Compared to spin-polarized electrons, L may allow the transfer of magnetic information with considerably higher density over longer distances in more materials. However, direct experimental observation of L currents, their extended propagation lengths and their conversion into charge currents has remained challenging. Here, we optically trigger ultrafast angular-momentum transport in Ni|W|SiO2 thin-film stacks. The resulting terahertz charge-current bursts exhibit a marked delay and width that grow linearly with the W thickness. We consistently ascribe these observations to a ballistic L current from Ni through W with a giant decay length (~80 nm) and low velocity (~0.1 nm fs−1). At the W/SiO2 interface, the L flow is efficiently converted into a charge current by the inverse orbital Rashba–Edelstein effect, consistent with ab initio calculations. Our findings establish orbitronic materials with long-distance ballistic L transport as possible candidates for future ultrafast devices and an approach to discriminate Hall-like and Rashba–Edelstein-like conversion processes. |
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| 536 | _ | _ | |a DFG project 437337265 - Spin+Optik: Theoretischer Entwurf von antiferromagnetischer Optospintronik (A11) (437337265) |0 G:(GEPRIS)437337265 |c 437337265 |x 1 |
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| 700 | 1 | _ | |a Go, Dongwook |0 P:(DE-Juel1)178993 |b 1 |
| 700 | 1 | _ | |a Hayashi, Hiroki |0 P:(DE-HGF)0 |b 2 |
| 700 | 1 | _ | |a Rouzegar, Reza |0 P:(DE-HGF)0 |b 3 |
| 700 | 1 | _ | |a Freimuth, Frank |0 P:(DE-Juel1)130643 |b 4 |u fzj |
| 700 | 1 | _ | |a Ando, Kazuya |0 P:(DE-HGF)0 |b 5 |
| 700 | 1 | _ | |a Mokrousov, Yuriy |0 P:(DE-Juel1)130848 |b 6 |
| 700 | 1 | _ | |a Kampfrath, Tobias |0 P:(DE-HGF)0 |b 7 |
| 773 | _ | _ | |a 10.1038/s41565-023-01470-8 |g Vol. 18, no. 10, p. 1132 - 1138 |0 PERI:(DE-600)2254964-X |n 10 |p 1132 - 1138 |t Nature nanotechnology |v 18 |y 2023 |x 1748-3387 |
| 856 | 4 | _ | |y OpenAccess |u https://juser.fz-juelich.de/record/1020242/files/s41565-023-01470-8.pdf |
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| 910 | 1 | _ | |a Department of Physics, Freie Universität Berlin, Berlin, Germany |0 I:(DE-HGF)0 |b 0 |6 P:(DE-HGF)0 |
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