Magnetization dynamics in thin film heads

Keishi Ohashi

doi:10.1016/0304-8853(94)00150-2

Magnetization dynamics in thin film heads

Keishi Ohashi^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

The relationship between domain wall motion and magnetization rotation is investigated. A wall motion mechanism previously proposed by the author is examined. The model gives the novel concept that the energy difference between transition state (magnetization curling) and final state (after wall motion) accelerates the wall motion. The magnetic moments in the region coupled with 90° walls rotate more slowly than those moments in the non-coupled region, hence the magnetic flux change is confined to a narrower portion of central domains at higher frequencies.

Original language	English
Pages (from-to)	262-267
Number of pages	6
Journal	Journal of Magnetism and Magnetic Materials
Volume	134
Issue number	2-3
DOIs	https://doi.org/10.1016/0304-8853(94)00150-2
Publication status	Published - 1994 Jun
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1016/0304-8853(94)00150-2

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title = "Magnetization dynamics in thin film heads",

abstract = "The relationship between domain wall motion and magnetization rotation is investigated. A wall motion mechanism previously proposed by the author is examined. The model gives the novel concept that the energy difference between transition state (magnetization curling) and final state (after wall motion) accelerates the wall motion. The magnetic moments in the region coupled with 90° walls rotate more slowly than those moments in the non-coupled region, hence the magnetic flux change is confined to a narrower portion of central domains at higher frequencies.",

author = "Keishi Ohashi",

year = "1994",

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doi = "10.1016/0304-8853(94)00150-2",

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N2 - The relationship between domain wall motion and magnetization rotation is investigated. A wall motion mechanism previously proposed by the author is examined. The model gives the novel concept that the energy difference between transition state (magnetization curling) and final state (after wall motion) accelerates the wall motion. The magnetic moments in the region coupled with 90° walls rotate more slowly than those moments in the non-coupled region, hence the magnetic flux change is confined to a narrower portion of central domains at higher frequencies.

AB - The relationship between domain wall motion and magnetization rotation is investigated. A wall motion mechanism previously proposed by the author is examined. The model gives the novel concept that the energy difference between transition state (magnetization curling) and final state (after wall motion) accelerates the wall motion. The magnetic moments in the region coupled with 90° walls rotate more slowly than those moments in the non-coupled region, hence the magnetic flux change is confined to a narrower portion of central domains at higher frequencies.

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JF - Journal of Magnetism and Magnetic Materials

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IS - 2-3

ER -

Magnetization dynamics in thin film heads

Abstract

ASJC Scopus subject areas

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