Irreversible and Reversible Switching in Nanomagnet Arrays and Hard Drive Media

Bethanie J.H. Stadler; Reza Zamani; Andrzej Stankiewicz

doi:10.1109/TMAG.2022.3211761

Irreversible and Reversible Switching in Nanomagnet Arrays and Hard Drive Media

Bethanie J.H. Stadler, Reza Zamani, Andrzej Stankiewicz

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Abstract

Projections of first-order reversal curves (FORC) are shown to provide valuable separations between irreversible and reversible behavior while only requiring 1% of the measurement points of full FORC. These projections have been used in nanobarcoding for biocomposites which may, for example, be used as internal bandaids where readout benefits from blind, contact-free magnetic measurements. The projection method was also extended to experimentally separate the irreversible and reversible hysteresis behavior of hard and soft components of exchange-coupled composite (ECC) media.

Original language	English (US)
Article number	3001104
Journal	IEEE Transactions on Magnetics
Volume	59
Issue number	3
DOIs	https://doi.org/10.1109/TMAG.2022.3211761
State	Published - Mar 1 2023

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Keywords

Exchange-coupled composite (ECC) media
first-order reversal curves (FORC)
irreversible switching
magnetic nanowires (MNWs)
nanobarcoding
projection method
reversible switching

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title = "Irreversible and Reversible Switching in Nanomagnet Arrays and Hard Drive Media",

abstract = "Projections of first-order reversal curves (FORC) are shown to provide valuable separations between irreversible and reversible behavior while only requiring 1% of the measurement points of full FORC. These projections have been used in nanobarcoding for biocomposites which may, for example, be used as internal bandaids where readout benefits from blind, contact-free magnetic measurements. The projection method was also extended to experimentally separate the irreversible and reversible hysteresis behavior of hard and soft components of exchange-coupled composite (ECC) media.",

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AU - Stadler, Bethanie J.H.

AU - Zamani, Reza

AU - Stankiewicz, Andrzej

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PY - 2023/3/1

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N2 - Projections of first-order reversal curves (FORC) are shown to provide valuable separations between irreversible and reversible behavior while only requiring 1% of the measurement points of full FORC. These projections have been used in nanobarcoding for biocomposites which may, for example, be used as internal bandaids where readout benefits from blind, contact-free magnetic measurements. The projection method was also extended to experimentally separate the irreversible and reversible hysteresis behavior of hard and soft components of exchange-coupled composite (ECC) media.

AB - Projections of first-order reversal curves (FORC) are shown to provide valuable separations between irreversible and reversible behavior while only requiring 1% of the measurement points of full FORC. These projections have been used in nanobarcoding for biocomposites which may, for example, be used as internal bandaids where readout benefits from blind, contact-free magnetic measurements. The projection method was also extended to experimentally separate the irreversible and reversible hysteresis behavior of hard and soft components of exchange-coupled composite (ECC) media.

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Irreversible and Reversible Switching in Nanomagnet Arrays and Hard Drive Media

Abstract

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University of Minnesota Materials Research Science and Engineering Center (DMR-2011401)

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Irreversible and Reversible Switching in Nanomagnet Arrays and Hard Drive Media

Abstract

Bibliographical note

Keywords

MRSEC Support

Publisher link

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University of Minnesota Materials Research Science and Engineering Center (DMR-2011401)

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