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Title:

Controlling Domain-Wall Nucleation in Ta/CoFeB/MgO Nanomagnets via Local Ga+ Ion Irradiation

Document type:
Zeitschriftenaufsatz
Author(s):
Mendisch, S.; Riente, F.; Ahrens, V.; Gnoli, L.; Haider, M.; Opel, M.; Kiechle, M.; Ruo Roch, M.; Becherer, M.
Abstract:
Comprehensive control of the domain wall nucleation process is crucial for spin-based emerging technologies ranging from random-access and storage-class memories over domain-wall logic concepts to nanomagnetic logic. In this work, focused Ga+ ion-irradiation is investigated as an effective means to control domain-wall nucleation in Ta/CoFeB/MgO nanostructures. We show that analogously to He+ irradiation, it is not only possible to reduce the perpendicular magnetic anisotropy but also to increase...     »
Keywords:
Mesoscale and Nanoscale Physics (cond-mat.mes-hall); Applied Physics (physics.app-ph)
Journal title:
arXiv:2102.07540v1 [cond-mat.mes-hall] 2021-02
Year:
2021
Year / month:
2021-02
Quarter:
1. Quartal
Month:
Feb
Language:
en
Fulltext / DOI:
doi:10.1103/PhysRevApplied.16.014039
WWW:
https://arxiv.org/abs/2102.07540
Publisher:
Cornell University
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