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@ARTICLE{Riepp:615363,
author = {Riepp, M. and Philippi-Kobs, A. and Müller, Lucy Laura
Gudrun and Roseker, Wojciech and Rysov, R. and Frömter, R.
and Bagschik, K. and Hennes, M. and Gupta, D. and Marotzke,
Simon and Walther, Michael and Bajt, S. and Pan, Rui and
Golz, T. and Stojanovic, N. and Boeglin, C. and Gruebel,
Gerhard},
title = {{T}erahertz-driven coherent magnetization dynamics in
labyrinth-type domain networks},
journal = {Physical review / B},
volume = {110},
number = {9},
issn = {2469-9950},
address = {Woodbury, NY},
publisher = {Inst.},
reportid = {PUBDB-2024-06118},
pages = {094405},
year = {2024},
note = {Deutsche Forschungsgemeinschaft(DFG)–SFB-925–Project ID
No. 170620586},
abstract = {The controlled manipulation of spins on ultrashort
timescales is among the most promising solutions for novel
high-speed and low-power-consumption spintronic and magnetic
recording applications. To do so, terahertz (THz) light
pulses can be used to drive coherent magnetization dynamics
in ferromagnetic thin films. We were able to resolve these
dynamics on the nanoscale employing THz-pump x-ray resonant
magnetic scattering from the labyrinth-type domain network
of a Co/Pt multilayer with perpendicular magnetic
anisotropy. Our results reveal THz-driven ultrafast
demagnetization as well as coherent local magnetization
oscillations at the THz fundamental frequency of 2.5THz. We
observe a temporal lag between femtosecond demagnetization
and the start of the coherent magnetization oscillations
that can be understood by a time-dependent damping. The
dynamics of the domain and domain-wall contributions are
found to be highly correlated, suggesting the applicability
of THz spin control in magnetic nanostructures.},
cin = {FS-CXS / FS-FL / FS-PETRA-BO / FS-PETRA-S / DOOR ;
HAS-User},
ddc = {530},
cid = {I:(DE-H253)FS-CXS-20130727 / I:(DE-H253)FS-FL-20120731 /
I:(DE-H253)FS-PETRA-BO-20240110 /
I:(DE-H253)FS-PETRA-S-20210408 /
I:(DE-H253)HAS-User-20120731},
pnm = {632 - Materials – Quantum, Complex and Functional
Materials (POF4-632) / 6G2 - FLASH (DESY) (POF4-6G2) / AIM,
DFG project G:(GEPRIS)390715994 - EXC 2056: CUI: Advanced
Imaging of Matter (390715994) / DFG project
G:(GEPRIS)170620586 - SFB 925: Licht-induzierte Dynamik und
Kontrolle korrelierter Quantensysteme (170620586)},
pid = {G:(DE-HGF)POF4-632 / G:(DE-HGF)POF4-6G2 /
G:(GEPRIS)390715994 / G:(GEPRIS)170620586},
experiment = {EXP:(DE-H253)F-BL3-20150101 /
EXP:(DE-H253)F-ThzBL-20150101},
typ = {PUB:(DE-HGF)16},
UT = {WOS:001309605200003},
doi = {10.1103/PhysRevB.110.094405},
url = {https://bib-pubdb1.desy.de/record/615363},
}