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01148 am a22002053u 4500 |
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|a Goncharov, A.V.
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|a Zhukov, A.A.
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|a Metlushko, V.V.
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|a Bordignon, G.
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|a Fangohr, H.
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|a Karapetrov, G.
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|a Ilic, B.
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|a de Groot, P.A.J.
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|a In-plane anisotropy of coercive field in permalloy square ring arrays
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|c 2006-11.
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|u https://eprints.soton.ac.uk/57281/1/Gonc_06.pdf
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|a Magnetic ring arrays are promising candidates for application in magnetic random access memory devices. The magnetic reversal processes and anisotropy of the coercivity in arrays of square-shaped nanorings with different spacings were investigated by vector magneto-optical Kerr effect magnetometry, magnetic force microscopy, and micromagnetic simulations. Two-step magnetization reversal demonstrates fourfold symmetry in the film plane resulting from the shape anisotropy in rings. Our numerical simulations show good agreement with the experiment.
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