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@ARTICLE{Bhm:867547,
author = {Böhm, Benny and Fallarino, Lorenzo and Pohl, Darius and
Rellinghaus, Bernd and Nielsch, Kornelius and Kiselev,
Nikolai S. and Hellwig, Olav},
title = {{A}ntiferromagnetic domain wall control via surface spin
flop in fully tunable synthetic antiferromagnets with
perpendicular magnetic anisotropy},
journal = {Physical review / B},
volume = {100},
number = {14},
issn = {2469-9950},
address = {Woodbury, NY},
publisher = {Inst.},
reportid = {FZJ-2019-06170},
pages = {140411},
year = {2019},
abstract = {Antiferromagnetic (AF) domain walls have recently attracted
revived attention, not only in the emerging field of AF
spintronics, but also more specifically for offering fast
domain wall velocities and dynamic excitations up to the
terahertz frequency regime. Here, we introduce an approach
to nucleate and stabilize an AF domain wall in a synthetic
antiferromagnet (SAF). We present experimental and
micromagnetic studies of the magnetization reversal in
[(Co/Pt)X−1/Co/Ir]N−1(Co/Pt)X SAFs, where
interface-induced perpendicular magnetic anisotropy (PMA)
and AF interlayer exchange coupling (IEC) are completely
controlled via the individual layer thicknesses within the
multilayer stack. By combining strong PMA with even stronger
AF-IEC, the SAF reveals a collective response to an external
magnetic field applied normal to the surface, and we
stabilize the characteristic surface spin-flop (SSF) state
for an even number N of AF-coupled (Co/Pt)X−1/Co
multilayer blocks. In the SSF state our system provides a
well-controlled and fully tunable vertical AF domain wall,
easy to integrate as no single-crystal substrates are
required and with uniform two-dimensional magnetization in
the film plane for further functionalization options, such
as lateral patterning via lithography.},
cin = {IAS-1 / PGI-1 / JARA-FIT / JARA-HPC},
ddc = {530},
cid = {I:(DE-Juel1)IAS-1-20090406 / I:(DE-Juel1)PGI-1-20110106 /
$I:(DE-82)080009_20140620$ / $I:(DE-82)080012_20140620$},
pnm = {142 - Controlling Spin-Based Phenomena (POF3-142) / 143 -
Controlling Configuration-Based Phenomena (POF3-143)},
pid = {G:(DE-HGF)POF3-142 / G:(DE-HGF)POF3-143},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000491259900002},
doi = {10.1103/PhysRevB.100.140411},
url = {https://juser.fz-juelich.de/record/867547},
}