Depinning of domain walls in permalloy nanowires with asymmetric notches View Full Text


Ontology type: schema:ScholarlyArticle      Open Access: True


Article Info

DATE

2016-12

AUTHORS

Y Gao, B You, X Z Ruan, M Y Liu, H L Yang, Q F Zhan, Z Li, N Lei, W S Zhao, D F Pan, J G Wan, J Wu, H Q Tu, J Wang, W Zhang, Y B Xu, J Du

ABSTRACT

Effective control of the domain wall (DW) motion along the magnetic nanowires is of great importance for fundamental research and potential application in spintronic devices. In this work, a series of permalloy nanowires with an asymmetric notch in the middle were fabricated with only varying the width (d) of the right arm from 200 nm to 1000 nm. The detailed pinning and depinning processes of DWs in these nanowires have been studied by using focused magneto-optic Kerr effect (FMOKE) magnetometer, magnetic force microscopy (MFM) and micromagnetic simulation. The experimental results unambiguously exhibit the presence of a DW pinned at the notch in a typical sample with d equal to 500 nm. At a certain range of 200 nm < d < 500 nm, both the experimental and simulated results show that the DW can maintain or change its chirality randomly during passing through the notch, resulting in two DW depinning fields. Those two depinning fields have opposite d dependences, which may be originated from different potential well/barrier generated by the asymmetric notch with varying d. More... »

PAGES

32617

References to SciGraph publications

Identifiers

URI

http://scigraph.springernature.com/pub.10.1038/srep32617

DOI

http://dx.doi.org/10.1038/srep32617

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1034002045

PUBMED

https://www.ncbi.nlm.nih.gov/pubmed/27600627


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Download the RDF metadata as:  json-ld nt turtle xml License info

HOW TO GET THIS DATA PROGRAMMATICALLY:

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curl -H 'Accept: application/ld+json' 'https://scigraph.springernature.com/pub.10.1038/srep32617'

N-Triples is a line-based linked data format ideal for batch operations.

curl -H 'Accept: application/n-triples' 'https://scigraph.springernature.com/pub.10.1038/srep32617'

Turtle is a human-readable linked data format.

curl -H 'Accept: text/turtle' 'https://scigraph.springernature.com/pub.10.1038/srep32617'

RDF/XML is a standard XML format for linked data.

curl -H 'Accept: application/rdf+xml' 'https://scigraph.springernature.com/pub.10.1038/srep32617'


 

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