Nanopicture of the Day

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June 8, 2004

Magnetic Coupling

Source:  Peter Grütter

      References:

"Direct observation of magnetostatic coupling of chain arrays of magnetic disks" Zhu XB, Metlushko V, Ilic B, Grutter P. IEEE TRANSACTIONS ON MAGNETICS 39 (5): 2744-2746 Part 2 SEP 2003
 

Description:

Magnetostatic coupling of Permalloy disk chains were studied by magnetic-force microscopy.  The annihilation porcess 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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