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Analysis of magnetization dynamics in NiFe thin films with growth-induced magnetic anisotropies [dataset] Open Access

We have used angled magnetron sputter deposition with and without sample rotation to control the magnetic anisotropy in 20 nm NiFe films. Ferromagnetic resonance spectroscopy, with data analysis using a Bayesian approach, is used to extract material parameters relating to the magnetic anisotropy. When the sample is rotated during growth, only shape anisotropy is present, but when the sample is held fixed, a strong uniaxial anisotropy emerges with in-plane easy axis along the azimuthal direction of the incident atom flux. When the film is deposited in two steps, with an in-plane rotation of 90 degrees between steps, the two orthogonal induced in-plane easy-axes effectively cancel. The analysis approach enables precise and accurate determination of material parameters from ferromagnetic resonance measurements; this demonstrates the ability to precisely control both the direction and strength of uniaxial magnetic anisotropy, which is important in magnetic thin-film device applications.

Descriptions

Resource type
Dataset
Contributors
Creator: Hindmarch, Aidan 1
Contact person: Hindmarch, Aidan 1
Data collector: Hindmarch, Aidan 1
Data curator: Hindmarch, Aidan 1
Data collector: Merryweather, Leah 1
1 Durham University, UK
Funder
Research methods
Other description
Keyword
Ferromagnetic resonance
Magnetization dynamics
Magnetic anisotropy
Subject
Ferromagnetic resonance
Location
Language
Cited in
doi:10.3390/magnetochemistry10100080
Identifier
ark:/32150/r2r781wg11h
doi:10.15128/r2r781wg11h
Rights
Creative Commons Attribution 4.0 International (CC BY)

Publisher
Durham University
Date Created

File Details

Depositor
A.T. Hindmarch
Date Uploaded
Date Modified
22 October 2024, 12:10:36
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File format: zip (ZIP Format)
Mime type: application/zip
File size: 28877837
Last modified: 2024:10:22 12:35:56+01:00
Filename: r2r781wg11h.zip
Original checksum: ed58967d57e2ec22a341d771d6b8c535
Activity of users you follow
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User N. Syrotiuk has updated Analysis of magnetization dynamics in NiFe thin films with growth-induced magnetic anisotropies [dataset] about 1 month ago
User N. Syrotiuk has updated Analysis of magnetization dynamics in NiFe thin films with growth-induced magnetic anisotropies [dataset] about 1 month ago
User N. Syrotiuk has updated Analysis of magnetization dynamics in NiFe thin films with growth-induced magnetic anisotropies [dataset] about 1 month ago
User N. Syrotiuk has updated Analysis of magnetization dynamics in NiFe thin films with growth-induced magnetic anisotropies [dataset] about 1 month ago
User A.T. Hindmarch has updated Analysis of magnetization dynamics in NiFe thin films with growth-induced magnetic anisotropies about 1 month ago
User A.T. Hindmarch has added a new version of Analysis of magnetization dynamics in NiFe thin films with growth-induced magnetic anisotropies about 1 month ago
User A.T. Hindmarch has updated Analysis of magnetization dynamics in NiFe thin films with growth-induced magnetic anisotropies about 1 month ago
User A.T. Hindmarch has updated Analysis of magnetization dynamics in NiFe thin films with growth-induced magnetic anisotropies about 2 months ago
User A.T. Hindmarch has updated set1_sample1_angle_10GHz.json about 2 months ago
User A.T. Hindmarch has deposited set1_sample1_angle_10GHz.json about 2 months ago