Abstract
We lithographically control the anisotropy properties of single-domain nananomagnets for use in emerging nanomagnetic logic applications. By defining concave-shaped nanomagnets to enhance the effect of configurational anisotropy, we induce the property of dual-axis remanence needed for high-speed and reliable operation of nanomagnetic logic circuits. Magneto-optical measurements verify the anisotropy properties of isolated concave nanomagnets, and photoelectron emission microscopy measurements verify signal propagation in chains of concave nanomagnets.
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