physica status solidi (RRL) – Rapid Research Letters

Volume 16, Issue 12 2200213

Research Article

Modified Spin Textures in a 3D Magnetic Lattice

Ba Myint

Information Storage Materials Laboratory, Department of Electrical & Computer Engineering, National University of Singapore, 5 Engineering Drive 1, Singapore, 117608 Singapore

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Vivian Ng,

Corresponding Author

Vivian Ng

[email protected]

orcid.org/0000-0002-3036-2497

Information Storage Materials Laboratory, Department of Electrical & Computer Engineering, National University of Singapore, 5 Engineering Drive 1, Singapore, 117608 Singapore

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Ba Myint,

Ba Myint

Information Storage Materials Laboratory, Department of Electrical & Computer Engineering, National University of Singapore, 5 Engineering Drive 1, Singapore, 117608 Singapore

Search for more papers by this author

Vivian Ng,

Corresponding Author

Vivian Ng

[email protected]

orcid.org/0000-0002-3036-2497

Information Storage Materials Laboratory, Department of Electrical & Computer Engineering, National University of Singapore, 5 Engineering Drive 1, Singapore, 117608 Singapore

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First published: 29 August 2022

https://doi.org/10.1002/pssr.202200213

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Abstract

New magnetic behavior of a 3D magnetic lattice created by stacking hour-glass structures over a 2D antidot matrix is reported. The unique multivortices induced reversal process along the hard axis is reported for the 3D magnetic lattice. Further analysis with 3D Object Orientated MicroMagnetic Framework (OOMMF) simulation shows this magnetic behavior due to the magnetic coupling between the two building blocks: hour-glass structures and 2D antidot. The reversal process for the 3D magnetic lattice along the easy axis shows abrupt coherent switching behavior, while the multivortices induced reversal process is observed for the hard axis. A new method of comparing the simulation and experimental result using a MATLAB divergence computation software is also reported. Good agreement between micromagnetic simulation and experimental results is observed via this method.

Conflict of Interest

The authors declare no conflict of interest.

Open Research

Data Availability Statement

The data that support the findings of this study are available from the corresponding author upon reasonable request.

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Volume16, Issue12

December 2022

2200213

Modified Spin Textures in a 3D Magnetic Lattice

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Conflict of Interest

Open Research

Data Availability Statement

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Modified Spin Textures in a 3D Magnetic Lattice

Abstract

Conflict of Interest

Open Research

Data Availability Statement

References

References

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