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Proximity-induced magnetism and the enhancement of damping in ferromagnetic/heavy metal systems
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Swindells, C., Głowiński, H., Choi, Y., Haskel, D., Michałowski, P. P., Hase, Thomas P. A., Kuświk, P. and Atkinson, D. (2021) Proximity-induced magnetism and the enhancement of damping in ferromagnetic/heavy metal systems. Applied Physics Letters, 119 (15). 152401. doi:10.1063/5.0064336 ISSN 1077-3118.
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Official URL: https://doi.org/10.1063/5.0064336
Abstract
The relationship between proximity-induced magnetism (PIM) at the heavy metal/ferromagnet interface and spin-transport across such interfaces has generated significant debate. To investigate the link between the two, element specific x-ray magnetic circular dichroism and ferromagnetic resonance measurements were made on the same CoFe/Au/Pt and NiFe/Au/Pt thin film samples with varying Au thickness, with complementary SIMS analysis, which shows evidence of Ni diffusion from NiFe into the Pt. An approximately linear relationship is observed between the magnitude of Pt PIM and magnitude of damping enhancement in both systems. The results demonstrate that electronic hybridization of the heavy metal and ferromagnet is required for a full understanding of damping enhancement and interfacial spin-transport for spintronic devices.
Item Type: | Journal Article | |||||||||||||||
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Subjects: | Q Science > QC Physics | |||||||||||||||
Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | |||||||||||||||
SWORD Depositor: | Library Publications Router | |||||||||||||||
Library of Congress Subject Headings (LCSH): | Ferromagnetism, Spin waves , Spintronics , Thin films -- Surfaces -- Magnetic properties, Magnetic Circular Dichroism | |||||||||||||||
Journal or Publication Title: | Applied Physics Letters | |||||||||||||||
Publisher: | AIP Publishing | |||||||||||||||
ISSN: | 1077-3118 | |||||||||||||||
Official Date: | 11 October 2021 | |||||||||||||||
Dates: |
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Volume: | 119 | |||||||||||||||
Number: | 15 | |||||||||||||||
Article Number: | 152401 | |||||||||||||||
DOI: | 10.1063/5.0064336 | |||||||||||||||
Status: | Peer Reviewed | |||||||||||||||
Publication Status: | Published | |||||||||||||||
Reuse Statement (publisher, data, author rights): | This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This article appeared in Swindells, C., Głowiński, H., Choi, Y., Haskel, D., Michałowski, P. P., Hase, Thomas P. A., Kuświk, P. and Atkinson, D. (2021) R : Proximity-induced magnetism and the enhancement of damping in ferromagnetic/heavy metal systems. Applied Physics Letters, 119 (15). 152401. and may be found at https://doi.org/10.1063/5.0064336 | |||||||||||||||
Access rights to Published version: | Restricted or Subscription Access | |||||||||||||||
Date of first compliant deposit: | 1 November 2021 | |||||||||||||||
Date of first compliant Open Access: | 11 October 2022 | |||||||||||||||
RIOXX Funder/Project Grant: |
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