Direct observation of magnetostatic coupling of chain arrays of magnetic disks

Magnetostatic coupling of Permalloy disk chains were studied by magnetic-force microscopy. The annihilation process occurs at the center of the chain, while nucleation initiates at the edge of the chain. The switching is strongly coupled along the chain direction.

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Bibliographic Details
Published in:IEEE transactions on magnetics 2003-09, Vol.39 (5), p.2744-2746
Main Authors: Xiaobin Zhu, Metlushko, V., Ilic, B., Grutter, P.
Format: Article
Language:English
Subjects:
Applied sciences
Couplings
Electronics
Exact sciences and technology
Magnetic and optical mass memories
Magnetic anisotropy
Magnetic cores
Magnetic fields
Magnetic force microscopy
Magnetic separation
Magnetism
Magnetostatics
Other magnetic recording and storage devices (including tapes, disks, and drums)
Perpendicular magnetic anisotropy
Physics
Scanning electron microscopy
Storage and reproduction of information
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Description
Summary:Magnetostatic coupling of Permalloy disk chains were studied by magnetic-force microscopy. The annihilation process occurs at the center of the chain, while nucleation initiates at the edge of the chain. The switching is strongly coupled along the chain direction.
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.2003.815586