# Spin Seebeck effect mediated reversal of vortex-Nernst effect in superconductor-ferromagnet bilayers

https://mdr.nims.go.jp/datasets/a174c94d-baad-4df6-8d51-f7790c899b58

## File

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## Id

a174c94d-baad-4df6-8d51-f7790c899b58

## Local identifier



## Visibility

open_to_public

## State

published

## Created at

2023-11-20T05:15:16.036316Z

## Updated at

2024-01-05T13:12:58.752511Z

## Published at

2023-11-25T04:30:23.270383Z

## Doi



## First published url

https://doi.org/10.1038/s41598-023-31420-2

## Date published

2023-03-17

## Recorded date published



## Resource type

journal_article

## Manuscript type

vor

## Collection



## Title

- title: Spin Seebeck effect mediated reversal of vortex-Nernst effect in superconductor-ferromagnet
    bilayers
  title_type: original
  lang: en

## Description

- description: We report on the observation of sign reversal of vortex-Nernst effect
    in epitaxial NbN/Fe bilayers deposited on MgO (001) substrates. Strong coupling
    between vortex magnetisation and ferromagnetic magnetisation at the NbN/Fe bilayer
    interface is presented. In NbN/Fe bilayer thin films an apparent sign reversal
    of vortex-Nernst signal under a temperature gradient with magnetic field and temperature
    is observed when the thickness of Fe is increased up to 5 nm. This reversal of
    the vortex-Nernst effect is associated with the enhancement of the spin Seebeck
    effects (SSE) near Tc due to coherence peak effect (CPE) and strong coupling of
    vortex magnetisation and ferromagnetic magnetisation at the interface of the NbN/Fe
    bilayer. The observed large SSE via inverse spin Hall effect (ISHE) is due to
    the CPE below and close to TC, highlighting the high spin to charge conversion
    efficiency of NbN in this region. This work may contribute to the development
    of superconducting spintronic devices by engineering the coupling of the superconductor/ferromagnet
    interface.
  description_type: abstract
  lang: eng

## Creator

- name: Himanshu Sharma
  role: author
- name: Zhenchao Wen
  role: author
  orcid: https://orcid.org/0000-0001-7496-1339
  organization: National Institute for Materials Science
  ror: https://ror.org/026v1ze26
- name: Masaki Mizuguchi
  role: author

## Contact agent



## Publisher

organization: Springer Science and Business Media LLC

## Managing organization



## Keyword

- subject: Superconductor‑ferromagnet bilayers
  schema: not_defined
- subject: Vortex‑Nernst efect
  schema: not_defined
- subject: Spin Seebeck efect
  schema: not_defined

## Rights

- identifier: https://creativecommons.org/licenses/by/4.0/

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## Data origin



## Embargo



## Journal

- title: Scientific Reports
  issn: '20452322'
  volume: '13'
  start_page: 4425
  end_page: 4425

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## Fileset

- id: 6ccf3910-9091-4ace-87d1-3719eb8dd051
  filename: s41598-023-31420-2.pdf
  content_type: application/pdf
  size: 3433746
  md5: 82ea5ee4d043718a8777676c3771e099

## Thumbnail

fileset_id: 6ccf3910-9091-4ace-87d1-3719eb8dd051
filename: s41598-023-31420-2.pdf