Nanosized corners for trapping and detecting magnetic nanoparticles.


We present a device concept based on controlled micromagnetic configurations in a corner-shaped permalloy nanostructure terminated with two circular disks, specifically designed for the capture and detection of a small number of magnetic beads in suspension. A transverse head-to-head domain wall (TDW) placed at the corner of the structure plays the role of… (More)
DOI: 10.1088/0957-4484/20/38/385501


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