Domain overlap in antiferromagnetically coupled [Co/Pt]/NiO /[Co/Pt] multilayers

Andrew Baruth; L. Yuan; J. D. Burton; K. Janicka; E. Y. Tsymbal; S. H. Liou; S. Adenwalla

doi:10.1063/1.2388892

Domain overlap in antiferromagnetically coupled [Co/Pt]/NiO /[Co/Pt] multilayers

Andrew Baruth, L. Yuan, J. D. Burton, K. Janicka, E. Y. Tsymbal, S. H. Liou, S. Adenwalla

Research output: Contribution to journal › Article

27 Scopus citations

Abstract

Antiferromagnetically coupled magnetic thin films with perpendicular anisotropy exhibit domain overlap regions originating from magnetostatic stray fields localized in the vicinity of the domain walls. Using high resolution magnetic force microscopy, the authors investigate these overlap regions in [CoPt] NiO [CoPt] multilayers with various strengths of the interlayer exchange coupling. They develop a simple model that provides a quantitative explanation of the formation of these regions and the relationship between the domain overlap width and the coupling strength. Their results are important for application of magnetic layered structures with perpendicular anisotropy in advanced magnetoresistive devices.

Original language	English
Article number	202505
Journal	Applied Physics Letters
Volume	89
Issue number	20
DOIs	https://doi.org/10.1063/1.2388892
Publication status	Published - 2006
Externally published	Yes

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All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

Cite this

Baruth, A., Yuan, L., Burton, J. D., Janicka, K., Tsymbal, E. Y., Liou, S. H., & Adenwalla, S. (2006). Domain overlap in antiferromagnetically coupled [Co/Pt]/NiO /[Co/Pt] multilayers. Applied Physics Letters, 89(20), [202505]. https://doi.org/10.1063/1.2388892

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AU - Liou, S. H.

AU - Adenwalla, S.

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AB - Antiferromagnetically coupled magnetic thin films with perpendicular anisotropy exhibit domain overlap regions originating from magnetostatic stray fields localized in the vicinity of the domain walls. Using high resolution magnetic force microscopy, the authors investigate these overlap regions in [CoPt] NiO [CoPt] multilayers with various strengths of the interlayer exchange coupling. They develop a simple model that provides a quantitative explanation of the formation of these regions and the relationship between the domain overlap width and the coupling strength. Their results are important for application of magnetic layered structures with perpendicular anisotropy in advanced magnetoresistive devices.

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10.1063/1.2388892