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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Bibliographic Details
Published inAIP advances Vol. 9; no. 12; pp. 125332 - 125332-4
Main Authors Greaves, Simon John, Saito, Waka
Format Journal Article
LanguageEnglish
Published Melville American Institute of Physics 01.12.2019
AIP Publishing LLC
Subjects
Magnetic fields
Magnetic recording
Switching
Torque
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ISSN2158-3226
2158-3226
DOI10.1063/1.5129724

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Summary: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.
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ISSN:2158-3226
2158-3226
DOI:10.1063/1.5129724