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Authors: Nagashima, G.
Kurokawa, Y.
Zhong, Y.
Horiike, S.
Schönke, Daniel
Krautscheid, Pascal
Reeve, Robert M.
Kläui, Mathias
Inagaki, Y.
Kawae, T
Tanaka, T.
Matsuyama, K.
Ohnishi, K.
Kimura, T.
Yuasa, H.
Title: Quasi-antiferromagnetic multilayer stacks with 90 degree coupling mediated by thin Fe oxide spacers
Online publication date: 30-Sep-2019
Year of first publication: 2019
Language: english
Abstract: We fabricated quasiantiferromagnetic (quasi-AFM) layers with alternating antiparallel magnetization in the neighboring domains via 90 degrees magnetic coupling through an fe-o layer. we investigated the magnetic properties and the relationship between the magnetic domain size and the 90 degrees magnetic coupling via experiments and calculations. two types of samples with a ru buffer and a (ni80fe20)cr-40 buffer were prepared, and we found that with the nifecr buffer, the sample has a flatter fe-o layer, leading to stronger 90 degrees magnetic coupling and a smaller domain size compared with the ru buffer sample. this trend is well explained by the bilinear and biquadratic coupling coefficients, a(12) and b-12, in landau-lifshitz-gilbert simulations, suggesting the possibility of using both afm and fm properties by controlling the quasi-afm domain size.
DDC: 530 Physik
530 Physics
Institution: Johannes Gutenberg-Universität Mainz
Department: FB 08 Physik, Mathematik u. Informatik
Place: Mainz
URN: urn:nbn:de:hebis:77-publ-592595
Version: Accepted version
Publication type: Zeitschriftenaufsatz
License: In Copyright
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Journal: Journal of applied physics
Pages or article number: Art. 093901
Publisher: American Inst. of Physics
Publisher place: Melville, NY
Issue date: 2019
ISSN: 1089-7550
Publisher URL:
Publisher DOI: 10.1063/1.5117869
Appears in collections:JGU-Publikationen

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