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@ARTICLE{Sluka:150586,
author = {Sluka, V. and Kákay, A. and Deac, A. M. and Bürgler, D.
E. and Hertel, R. and Schneider, C. M.},
title = {{Q}uenched {S}lonczewski windmill in spin-torque vortex
oscillators},
journal = {Physical review / B},
volume = {86},
number = {21},
issn = {1098-0121},
address = {College Park, Md.},
publisher = {APS},
reportid = {FZJ-2014-00635},
pages = {214422},
year = {2012},
abstract = {We present a combined analytical and numerical study on
double-vortex spin-torque nano-oscillators and describe a
mechanism that suppresses the windmill modes. The
magnetization dynamics is dominated by the gyrotropic
precession of the vortex in one of the ferromagnetic layers.
In the other layer, the vortex gyration is strongly damped.
The dominating layer for the magnetization dynamics is
determined by the sign of the product between sample current
and the chiralities. Measurements on Fe/Ag/Fe nanopillars
support these findings. The results open up a new
perspective for building high quality-factor spin-torque
oscillators operating at selectable, well-separated
frequency bands.},
cin = {PGI-6 / JARA-FIT},
ddc = {530},
cid = {I:(DE-Juel1)PGI-6-20110106 / $I:(DE-82)080009_20140620$},
pnm = {422 - Spin-based and quantum information (POF2-422)},
pid = {G:(DE-HGF)POF2-422},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000312674200005},
doi = {10.1103/PhysRevB.86.214422},
url = {https://juser.fz-juelich.de/record/150586},
}