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Creation of transverse domain walls in permalloy nanowires using Lorentz transmission electron microscopy: progress, opportunities, and challenges
Studying on the creation and propagation of magnetic domain walls in Permalloy nanowires over the past two decades has increased dramatically. Each research group has its own strengths in studying the magnetic properties of domain walls created and propagated in this soft magnetic material. Each typ...
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Published in: | Journal of the Korean Physical Society 2023-07, Vol.83 (1), p.1-24 |
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Main Authors: | , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites |
Online Access: | Get full text |
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Summary: | Studying on the creation and propagation of magnetic domain walls in Permalloy nanowires over the past two decades has increased dramatically. Each research group has its own strengths in studying the magnetic properties of domain walls created and propagated in this soft magnetic material. Each type of approach has its own advantages and disadvantages. To understand the achievement of each research group on a particular research topic, an overview of the achievements with a technique achieved over the years for a particular research direction is needed. For that purpose, this paper summarizes some research results of establishing the phase diagrams of transverse domain walls using Lorentz transmission electron microscope. Herein, we focus on analyzing the impact of the roughness factor at the edge of the nanowires on the asymmetry of the created transverse domain walls in Permalloy nanowires. The established results are systematically analyzed and discussed. The obtained results are vital towards future applications of racetrack memory devices and magnetic logic gates. |
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ISSN: | 0374-4884 1976-8524 |
DOI: | 10.1007/s40042-023-00790-1 |