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@INPROCEEDINGS{MontanezHuaman:1019310,
author = {Montanez Huaman, Liz Margarita and Kentzinger, Emmanuel and
Cortie, David and Ahrens, Valentin and Guasco, Laura and
Keller, Thomas and Skoulatos, Markos and Becherer, Markus
and Pütter, Sabine},
title = {{R}oom {T}emperature {S}kyrmions in {P}t/{C}o/{T}a
multilayers},
reportid = {FZJ-2023-05284},
year = {2023},
abstract = {Magnetic skyrmions are topologically stabilized spin
configurations on the nanoscale which makes them promising
for next-generation information storage technologies and
computing. [1,2] In magnetic multilay- ers, they can be
stabilized at room temperature [3]. Skyrmions emerge due to
an interplay between several magnetic contributions. Among
them the interfacial Dzyaloshinskii-Moriya Interaction (DMI)
drives the spins into non-collinear orientation, while the
perpendicular magnetic anisotropy (PMA) favours the
out-of-plane orientation and the shape anisotropy prefers
in-plane spin orientation.
Polycrystalline[Pt(40Å)/Co(x)/Ta(19Å)]N
multilayerswerefabricatedinamolecularbeamepitaxysetupby
thermal deposition on oxidized Si(001) substrates with a
buffer layer of 47 Å Ta and a 30 Å Pt cap layer. The Co
film thickness was varied between 5 Å and 21 Å, the number
of repetitions varied between 8 and 10. Mag- netic force
microscopy measurements reveal the existence of skyrmions at
a Co thickness between 9 Å and 17 Å. We discuss results
obtained from magnetic hysteresis, transport and neutron
reflectometry measurements. The latter have been performed
with the neutron reflectometer Platypus at ANSTO,
Australia.References[1] A. Fert, V. Cros, and J. Sampaio,
Nature Nanotech 8, (2013) 152.[2] K. Raab, M.A. Brems, G.
Beneke, et al., Nat Commun 13, (2022) 6982.[3] S. Woo, K.
Litzius, B. Krüger, M.-Y. Im, L. Caretta, K. Richter et
al., Nat. Mat. 15 (2016) 501},
month = {Dec},
date = {2023-12-04},
organization = {MLZ User Meeting, München (Germany),
4 Dec 2023 - 5 Dec 2023},
subtyp = {After Call},
cin = {JCNS-4 / JCNS-2 / JCNS-FRM-II / MLZ},
cid = {I:(DE-Juel1)JCNS-4-20201012 / I:(DE-Juel1)JCNS-2-20110106 /
I:(DE-Juel1)JCNS-FRM-II-20110218 / I:(DE-588b)4597118-3},
pnm = {6G4 - Jülich Centre for Neutron Research (JCNS) (FZJ)
(POF4-6G4) / 632 - Materials – Quantum, Complex and
Functional Materials (POF4-632)},
pid = {G:(DE-HGF)POF4-6G4 / G:(DE-HGF)POF4-632},
experiment = {EXP:(DE-MLZ)MBE-MLZ-20151210},
typ = {PUB:(DE-HGF)6},
url = {https://juser.fz-juelich.de/record/1019310},
}