Magnetic recording using a spin torque oscillator

Simon John Greaves

doi:10.1109/TMAG.2018.2834933

Magnetic recording using a spin torque oscillator

Simon John Greaves

Broadband Engineering Division

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

2 Citations (Scopus)

Abstract

Simulations of the switching of magnetization using only the field from a spin torque oscillator (STO) are presented. Single phase and exchange coupled composite (ECC) grains were used and the switching probability calculated as a function of the STO position, frequency, and the magnetic properties of the grains. The results show that ECC grains can be reliably switched by an STO for a wide range of STO positions and frequencies.

Original language	English
Article number	8370179
Journal	IEEE Transactions on Magnetics
Volume	54
Issue number	11
DOIs	https://doi.org/10.1109/TMAG.2018.2834933
Publication status	Published - 2018 Nov

Keywords

Composite media
microwave-assisted magnetic recording (MAMR)
simulation
spin torque oscillator (STO)

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Electrical and Electronic Engineering

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10.1109/TMAG.2018.2834933

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title = "Magnetic recording using a spin torque oscillator",

abstract = "Simulations of the switching of magnetization using only the field from a spin torque oscillator (STO) are presented. Single phase and exchange coupled composite (ECC) grains were used and the switching probability calculated as a function of the STO position, frequency, and the magnetic properties of the grains. The results show that ECC grains can be reliably switched by an STO for a wide range of STO positions and frequencies.",

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AB - Simulations of the switching of magnetization using only the field from a spin torque oscillator (STO) are presented. Single phase and exchange coupled composite (ECC) grains were used and the switching probability calculated as a function of the STO position, frequency, and the magnetic properties of the grains. The results show that ECC grains can be reliably switched by an STO for a wide range of STO positions and frequencies.

KW - Composite media

KW - microwave-assisted magnetic recording (MAMR)

KW - simulation

KW - spin torque oscillator (STO)

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Magnetic recording using a spin torque oscillator

Abstract

Keywords

ASJC Scopus subject areas

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