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Magnetic force microscopy of single-domain cobalt dots patterned using interference lithography

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5 Author(s)
Fernandez, A. ; Lawrence Livermore Nat. Lab., CA, USA ; Bedrossian, P.J. ; Baker, S.L. ; Vernon, S.P.
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We have fabricated arrays of Co dots having diameters of 100 nm and 70 nm using interference lithography. The density of these arrays is 7.2×109/in2. Magnetic force microscopy measurements indicate that the Co dots are single-domain with moments that can be controlled to point either in-plane or out-of-plane. Interference lithography is a process that is easily scaled to large areas and is potentially capable of high throughput. Large, uniform arrays of single-domain structures are potentially useful for high-density, low-noise data storage

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Magnetics, IEEE Transactions on  (Volume:32 ,  Issue: 5 )