TITLE

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

AUTHOR(S)
Lin, Shi-Zeng; Reichhardt, Charles; Saxena, Avadh
PUB. DATE
June 2013
SOURCE
Applied Physics Letters;6/3/2013, Vol. 102 Issue 22, p222405
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
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.
ACCESSION #
88041250

 

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