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Proximity induced magnetism in Pt layered with rare-earth:transition metal ferrimagnetic alloys [dataset] Open Access

The proximity induced moment (PIM) in heavy metal layers may play a significant role in heterostructured spintronic systems. In particular, the PIM of a heavy metal adjacent to a magnetic layer has been linked to interfacial spin transport behavior. Element-resolved X-ray magnetic measurements were used to investigate PIM in Pt layered with two different rare-earth (RE):3d transition metal (TM) ferrimagnetic alloys, in which the net moment was dominated by either the RE or the TM at room temperature. We observed significant PIM in Pt confined to a 2 nm interfacial region for Pt/Co77Gd23 and Pt/(Fe50Co50)77Gd23 and, in both cases, the PIM was parallel to the TM sublattice rather than the RE or the net moment. Our results highlight the prominence of the d − d mediated interactions between the Pt and the constituents of the ferrimagnetic RE:TM alloys over the net macroscopic moment.

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Dataset

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Creator: Swindells, Charles ¹
Contact person: Swindells, Charles ¹
Data collector: Swindells, Charles ¹
Editor: Swindells, Charles ¹
Contact person: Atkinson, Del ¹
Data collector: Atkinson, Del ¹
Editor: Atkinson, Del ¹
Data collector: Nicholson, Ben ¹
Data collector: Inyang, Oto-obong ¹
Data collector: Hase, Tom ²
Data collector: Choi, Yong ³

¹ Durham University, UK
² University of Warwick, UK
³ Argonne National Laboratory, USA

Funder

Engineering and Physical Sciences Research Council
Royal Society
U.S. Department of Energy

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Keyword

Proximity Induced magnetism

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Identifier

ark:/32150/r2765371377
doi:10.15128/r2765371377

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Creative Commons Attribution 4.0 International (CC BY)

Publisher

Durham University

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Depositor

C.R. Swindells

Date Uploaded

30 July 2020, 08:07:34

Date Modified

9 August 2020, 15:08:05

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Last modified: 2020:07:30 09:17:39+01:00

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