Tunable magnetic anisotropy in permalloy thin films grown on holographic relief gratings

J. Berendt; J. M.  Teixeira; A. García-García; M. Raposo; P. A. Ribeiro; J. Dubowik; G. N. Kakazei; D. S. Schmool

doi:10.1063/1.4867162

Tunable magnetic anisotropy in permalloy thin films grown on holographic relief gratings

J. Berendt, J. M. Teixeira, A. García-García, M. Raposo, P. A. Ribeiro, J. Dubowik, G. N. Kakazei, D. S. Schmool

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

10 Citations (Scopus)

Abstract

The aim of the present work is to show a simple method that combines conventional laser interferometry and standard thin film deposition techniques to fabricate modulated magnetic nanostructures with lateral periodicity, and to tailor the magnetic properties by varying geometrical parameters. Well defined Ni₈₀Fe₂₀ magnetic thin films with sinusoidal grating profiles were obtained with a periodicity of 1.2 μm and different grating depths. Magnetic studies via ferromagnetic resonance and magneto optical Kerr effect demonstrate the tunability of the induced in-plane magnetic anisotropy with depth profile.

Original language	English
Article number	082408
Journal	Applied Physics Letters
Volume	104
Issue number	8
DOIs	https://doi.org/10.1063/1.4867162
Publication status	Published - 2014

Keywords

BY-LAYER FILMS
POLYMER-FILMS
SURFACE

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10.1063/1.4867162

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AU - Berendt, J.

AU - Teixeira, J. M.

AU - García-García, A.

AU - Raposo, M.

AU - Ribeiro, P. A.

AU - Dubowik, J.

AU - Kakazei, G. N.

AU - Schmool, D. S.

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PY - 2014

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N2 - The aim of the present work is to show a simple method that combines conventional laser interferometry and standard thin film deposition techniques to fabricate modulated magnetic nanostructures with lateral periodicity, and to tailor the magnetic properties by varying geometrical parameters. Well defined Ni80Fe20 magnetic thin films with sinusoidal grating profiles were obtained with a periodicity of 1.2 μm and different grating depths. Magnetic studies via ferromagnetic resonance and magneto optical Kerr effect demonstrate the tunability of the induced in-plane magnetic anisotropy with depth profile.

AB - The aim of the present work is to show a simple method that combines conventional laser interferometry and standard thin film deposition techniques to fabricate modulated magnetic nanostructures with lateral periodicity, and to tailor the magnetic properties by varying geometrical parameters. Well defined Ni80Fe20 magnetic thin films with sinusoidal grating profiles were obtained with a periodicity of 1.2 μm and different grating depths. Magnetic studies via ferromagnetic resonance and magneto optical Kerr effect demonstrate the tunability of the induced in-plane magnetic anisotropy with depth profile.

KW - BY-LAYER FILMS

KW - POLYMER-FILMS

KW - SURFACE

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JO - Applied Physics Letters

JF - Applied Physics Letters

SN - 0003-6951

IS - 8

M1 - 082408

ER -

Tunable magnetic anisotropy in permalloy thin films grown on holographic relief gratings

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Keywords

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