Static and dynamic magnetic behavior of YBCO/Co/IrMn heterostructures-Reference-Cited by-同舟云学术

Static and dynamic magnetic behavior of YBCO/Co/IrMn heterostructures

Published:2024-04-03 Issue:13 Volume:135 Page:
ISSN:0021-8979
Container-title:Journal of Applied Physics
language:en
Short-container-title:

Author:

Sousa M. A.¹^ORCID,Honorato A.²,Liu Liying²^ORCID,Merino I. L. C.²^ORCID,Pessoa M. S.³^ORCID,Morais P. C.⁴⁵^ORCID,Litterst F. J.⁶^ORCID,Passamani E. C.⁷^ORCID,Fontes M. B.²^ORCID,Baggio-Saitovitch E.²^ORCID

Affiliation:

1. Instituto de Ciências Exatas e Tecnológicas, Universidade Federal de Jataí 1 , Jataí, Goiás 75801-615, Brazil

2. Centro Brasileiro de Pesquisas Físicas 2 , Rio de Janeiro, RJ 22290-180, Brazil

3. Departamento de Ciências Naturais, Universidade Federal do Espirito Santo 3 , São Mateus, Espírito Santo 29932-540, Brazil

4. Universidade Católica de Brasília 4 Instituto de Física, , Brasília, Distrito Federal 70790-160, Brazil

5. Universidade de Brasília 5 Ciências Genômicas e Biotecnologia, , Brasília, Distrito Federal 70910-900, Brazil

6. Technische Universität Braunschweig, Institut für Physik der Kondensierten Materie 6 , Braunschweig DE38106, Germany

7. Departamento de Física, Universidade Federal do Espírito Santo 7 , Vitória, Espírito Santo 29075-910, Brazil

Abstract

The effect of the YBCO superconducting (SC) state on the magnetic properties of as-grown YBCO/Co/IrMn heterostructures has been systematically studied using magnetometry and ferromagnetic resonance. The obtained data showed that the superconductivity of the YBCO substrate strongly affects the ferromagnetic properties of the deposited Co layer deeper (up to 50 nm) than the coherence length of the YBCO (≃4nm) by an exchange interaction between the Co magnetic moments and the superconducting pairs at the YBCO/Co interface. The interfacial exchange interaction, switched on while the YBCO enters the SC state, pins Co spins and yields an enhancement of the Co magnetic properties.

Publisher

AIP Publishing

Link

https://pubs.aip.org/aip/jap/article-pdf/doi/10.1063/5.0190087/19866177/133901_1_5.0190087.pdf

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