Tuning magnetic properties of non-collinear magnetization configuration in Pt/[Pt/Co]6/Pt/Co/Pt multilayer structure

•Effects of Pt spacer and reference layers thickness are investigated by MOKE and FMR.•Controlling of non-collinear states in multilayered thin film systems is studied.•Micromagnetic approach is used for modeling of magnetic multilayered structure.•Magnetic parameters are determined by a simulation...

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Bibliographic Details
Published in:Journal of magnetism and magnetic materials 2017-08, Vol.436, p.11-16
Main Authors: Kalaycı, Taner, Deger, Caner, Akbulut, Salih, Yildiz, Fikret
Format: Article
Language:English
Subjects:
Anisotropy
Cobalt
Computer simulation
Coupling
Ferromagnetic resonance
Ferromagnetism
Interlayer coupling
Magnetic anisotropy
Magnetic fields
Magnetic properties
Magnetization
Multilayers
Non-collinear magnetic configuration
Platinum
Simulation
Spin transfer torque
Thickness
Tuning
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Summary:•Effects of Pt spacer and reference layers thickness are investigated by MOKE and FMR.•Controlling of non-collinear states in multilayered thin film systems is studied.•Micromagnetic approach is used for modeling of magnetic multilayered structure.•Magnetic parameters are determined by a simulation based on metropolis algorithm. In this study, effects of Pt spacer and Co reference layers thickness in [Co/Pt]6/Pt/Co multilayer have been revealed to tailor magnetization directions in non-collinear configuration. Magneto-optic Kerr effect and ferromagnetic resonance techniques were employed to investigate magnetic properties. Bilinear coupling between [Co/Pt]6 and Co layers and anisotropy constants were determined by a micromagnetic simulation based on metropolis algorithm. 3nm spacer causes ferromagnetic coupling while the samples have 4 and 5nm spacer are coupled anti-ferromagneticaly. Also, tuning magnetic anisotropy of [Co/Pt]6 layer was accomplished by Co reference layer. It is revealed that controlling of non-collinear states in such systems is possible by variation of thickness of spacer and reference layers and [Co/Pt]6/tPt/tCo trilayer system can be used in multilayered magnetic systems.
ISSN:0304-8853
1873-4766
DOI:10.1016/j.jmmm.2017.04.008