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arXiv · 1304.0040

Manipulation of skyrmions in nanodisks with a current pulse and skyrmion rectifier

Shi-Zeng Lin·Charles Reichhardt·Avadh Saxena
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Abstract

A skyrmion in a nanosized disk of a chiral magnet can be used as a bit of information. To this end, it is desirable to control the creation and removal of a skyrmion only by currents without using external magnetic fields. Here we propose to create a skyrmion by applying a current pulse to a nanodisk. The skyrmion can be removed from the disk by applying a dc current. We show that the dynamics of the created skyrmion can lead to a rectification effect, in which a dc voltage is generated by the motion of skyrmion in the presence of an ac current.

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Shi-Zeng Lin, Charles Reichhardt, Avadh Saxena. 2013-03-29. Manipulation of skyrmions in nanodisks with a current pulse and skyrmion rectifier. https://doi.org/10.1063/1.4809751

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