Multivortex Formation During Magnetization Reversal Process in Rectangular and Square CoFe Nanostructures

Shape- and thickness-dependent magnetization reversal process is investigated in CoFe nanostructures by micromagnetic simulations. The reversal is abrupt in the case of 10-nm and 20-nm thick rectangular and square nanostructures. Intermediate double vortex states are formed in rectangular nanostruct...

Full description

Saved in:
Bibliographic Details
Published in:Journal of superconductivity and novel magnetism 2020-09, Vol.33 (9), p.2699-2703
Main Authors: Rao, N. V. S. S. Seshagiri, Murthy, V. Satya Narayana
Format: Article
Language:English
Subjects:
Characterization and Evaluation of Materials
Condensed Matter Physics
Magnetic Materials
Magnetism
Original Paper
Physics
Physics and Astronomy
Strongly Correlated Systems
Superconductivity
Citations: Items that this one cites
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Shape- and thickness-dependent magnetization reversal process is investigated in CoFe nanostructures by micromagnetic simulations. The reversal is abrupt in the case of 10-nm and 20-nm thick rectangular and square nanostructures. Intermediate double vortex states are formed in rectangular nanostructures of thickness 30 to 60 nm when the field is applied along the longer dimension. Magnetization reversal along the shorter dimension happens through the formation of multivortex states. Similar type of reversal is observed in 40 to 60-nm thick square nanostructures of dimensions 225 nm and 335 nm.
ISSN:1557-1939
1557-1947
DOI:10.1007/s10948-020-05523-0