Dual-structure microwave-assisted magnetic recording using only a spin torque oscillator

Dual-structure microwave-assisted magnetic recording using only a spin torque oscillator

The selective switching of dual-structure magnetic dots under the influence of the stray field from a spin torque oscillator was investigated. A configuration was found which allowed selective switching of either structure when subject to ac magnetic fields oscillating at 9 GHz and 20 GHz. No other...

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Veröffentlicht in:AIP advances 2019-12, Vol.9 (12), p.125332-125332-4
Hauptverfasser: Greaves, Simon John, Saito, Waka
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Magnetic fields
Magnetic recording
Switching
Torque
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Saito, Waka
description The selective switching of dual-structure magnetic dots under the influence of the stray field from a spin torque oscillator was investigated. A configuration was found which allowed selective switching of either structure when subject to ac magnetic fields oscillating at 9 GHz and 20 GHz. No other external magnetic fields were needed to switch the magnetisation of the structures.
doi_str_mv 10.1063/1.5129724
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subjects Magnetic fields
Magnetic recording
Switching
Torque
title Dual-structure microwave-assisted magnetic recording using only a spin torque oscillator
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