Aperture-ratio dependence of the efficiency of magneto-optical first-order diffraction in GdFe stripe arrays with alternating perpendicular magnetization

Voltage-controlled magnetic anisotropy (VCMA) effect of Co–Fe (0.4 nm)/Gd (0.2 nm)/GdxFe100−x multilayers with varying Gd–Fe thickness (5–10 nm) and composition (x = 20–24 at.%) was investigated. The magnetic anisotropy without voltage application drastically changed from in-plane to out of plane with an increase in Gd–Fe thickness or Gd concentration. The VCMA effect was observed in all samples, but the samples with small saturation field (or switching field) showed a clear VCMA effect. The magneto-optical light modulation of the Co–Fe (0.4 nm)/Gd (0.2 nm)/Gd24Fe76 (5 nm) was successfully manipulated via voltage application at ±1 V, in which the amplitude corresponds to 0.15 degrees of the Kerr rotation with a static magnetic field of 50 Oe.

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Magneto-optical light modulation using the VCMA effect in MgO/Co–Fe/Gd/Gd–Fe layers

Funabashi

Higashida

Aoshima

et al. 2019

AIP Advances

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Spatial Light Modulators Driven by Spin-Transfer Switching with Fine Pixel-Pitch

Kikuchi¹,

Machida²

2016

The Review of Laser Engineering

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Study of Spatial Light Modulator Driven by Spin Transfer Switching for Electronic Holography

Funabashi¹,

Kinjo²,

Aoshima³

et al. 2017

Eizo Joho Media Gakkaishi

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Aperture-ratio dependence of the efficiency of magneto-optical first-order diffraction in GdFe stripe arrays with alternating perpendicular magnetization

Cited by 3 publications

References 10 publications

Magneto-optical light modulation using the VCMA effect in MgO/Co–Fe/Gd/Gd–Fe layers

Magneto-optical light modulation using the VCMA effect in MgO/Co–Fe/Gd/Gd–Fe layers

Spatial Light Modulators Driven by Spin-Transfer Switching with Fine Pixel-Pitch

Study of Spatial Light Modulator Driven by Spin Transfer Switching for Electronic Holography

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