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. 2015 Nov 20;5:16786. doi: 10.1038/srep16786

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(a) Nominal schematic of the 500 nm wide ferromagnetic stripes separated by 100 nm wide non-ferromagnetic spacers, written using a nano-focussed Ne⁺ ion beam. (b) Holographic images of the flux lines of the patterned magnetic stripes. (c) Schematic of the experimentally realized ferromagnetic stripe pattern, showing the blurring of the edges due to lateral-ion scattering and the missing ferromagnetic stripe on the right. High magnification images of the flux density in selected regions viz. (d) the non-ferromagnetic spacer between two ferromagnetic stripes and (e) the ferromagnetic edge at the end (right) of the central ferromagnetic stripe.