On-Chip Planar Metasurfaces for Magnetic Sensors with Greatly Enhanced Sensitivity

Metamaterials with engineered structures have been extensively investigated for their capability to manipulate optical, acoustic, or thermal waves. In particular, magnetic metamaterials with precise geometry, shape, size and arrangement of their elemental blocks may be used to concentrate, focus, or...

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Autores: Barrera, Aleix, Fourneau, Emile, Bort-Soldevila, Natanael, Cunill Subiranas, Jaume, Valle, Nuria del, Lejeune, Nicolas, Staňo, Michal, Smekhova, Alevtina, Mestres, Narcís, Balcells, Lluis, Navau, Carles, Uhlíř, Vojtěch, Bending, Simon J., Valencia, Sergio, Silhanek, Alejandro V., Palau, Anna
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2025
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/393954
Acceso en línea:http://hdl.handle.net/10261/393954
https://api.elsevier.com/content/abstract/scopus_id/105001073748
Access Level:acceso abierto
Palabra clave:Magnetic flux concentrators
Magnetic sensors
Metamaterials
Metasurfaces
Micromagnetism
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network_acronym_str ES
network_name_str España
repository_id_str
dc.title.none.fl_str_mv On-Chip Planar Metasurfaces for Magnetic Sensors with Greatly Enhanced Sensitivity
title On-Chip Planar Metasurfaces for Magnetic Sensors with Greatly Enhanced Sensitivity
spellingShingle On-Chip Planar Metasurfaces for Magnetic Sensors with Greatly Enhanced Sensitivity
Barrera, Aleix
Magnetic flux concentrators
Magnetic sensors
Metamaterials
Metasurfaces
Micromagnetism
title_short On-Chip Planar Metasurfaces for Magnetic Sensors with Greatly Enhanced Sensitivity
title_full On-Chip Planar Metasurfaces for Magnetic Sensors with Greatly Enhanced Sensitivity
title_fullStr On-Chip Planar Metasurfaces for Magnetic Sensors with Greatly Enhanced Sensitivity
title_full_unstemmed On-Chip Planar Metasurfaces for Magnetic Sensors with Greatly Enhanced Sensitivity
title_sort On-Chip Planar Metasurfaces for Magnetic Sensors with Greatly Enhanced Sensitivity
dc.creator.none.fl_str_mv Barrera, Aleix
Fourneau, Emile
Bort-Soldevila, Natanael
Cunill Subiranas, Jaume
Valle, Nuria del
Lejeune, Nicolas
Staňo, Michal
Smekhova, Alevtina
Mestres, Narcís
Balcells, Lluis
Navau, Carles
Uhlíř, Vojtěch
Bending, Simon J.
Valencia, Sergio
Silhanek, Alejandro V.
Palau, Anna
author Barrera, Aleix
author_facet Barrera, Aleix
Fourneau, Emile
Bort-Soldevila, Natanael
Cunill Subiranas, Jaume
Valle, Nuria del
Lejeune, Nicolas
Staňo, Michal
Smekhova, Alevtina
Mestres, Narcís
Balcells, Lluis
Navau, Carles
Uhlíř, Vojtěch
Bending, Simon J.
Valencia, Sergio
Silhanek, Alejandro V.
Palau, Anna
author_role author
author2 Fourneau, Emile
Bort-Soldevila, Natanael
Cunill Subiranas, Jaume
Valle, Nuria del
Lejeune, Nicolas
Staňo, Michal
Smekhova, Alevtina
Mestres, Narcís
Balcells, Lluis
Navau, Carles
Uhlíř, Vojtěch
Bending, Simon J.
Valencia, Sergio
Silhanek, Alejandro V.
Palau, Anna
author2_role author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
dc.contributor.none.fl_str_mv National Fund for Scientific Research (Belgium)
Ministerio de Ciencia e Innovación (España)
Agencia Estatal de Investigación (España)
European Cooperation in Science and Technology
Engineering and Physical Sciences Research Council (UK)
Generalitat de Catalunya
Cunill Subiranas, Jaume [0000-0002-5612-2846]
Lejeune, Nicolas [0000-0001-6003-1472]
Staňo, Michal [0000-0002-7440-7191]
Mestres, Narcís [0000-0001-6468-4227]
Navau, Carles [0000-0003-4763-5305]
Uhlíř, Vojtěch [0000-0002-0512-6329]
Bending, Simon J. [0000-0002-4474-2554]
Valencia, Sergio [0000-0002-3912-5797]
Silhanek, Alejandro V. [0000-0001-9551-5717]
Palau, Anna [0000-0002-2217-164X]
Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
dc.subject.none.fl_str_mv Magnetic flux concentrators
Magnetic sensors
Metamaterials
Metasurfaces
Micromagnetism
topic Magnetic flux concentrators
Magnetic sensors
Metamaterials
Metasurfaces
Micromagnetism
description Metamaterials with engineered structures have been extensively investigated for their capability to manipulate optical, acoustic, or thermal waves. In particular, magnetic metamaterials with precise geometry, shape, size and arrangement of their elemental blocks may be used to concentrate, focus, or guide magnetic fields. In this work, we show the potential of using soft-magnetic permalloy (Py) metasurfaces to tailor the physical properties of other magnetic structures at the local scale. As an illustration, the magnetic response of a Cobalt (Co) sensor bar placed at the core of a Py metasurface is investigated as a function of in-plane magnetic fields through the planar Hall effect. Our findings reveal that by appropriately selecting the metasurface geometrical parameters, we can adjust the Co bar's coercive field and susceptibility, leading to a huge enhancement in sensor sensitivity of over 2 orders of magnitude. Micromagnetic simulations, coupled with magneto-transport equations and X-ray photoemission electron measurements (XPEEM) with contrast from magnetic circular dichroism (XMCD), accurately capture this effect and provide insights into the underlying physical mechanisms. These findings can potentially enhance the performance and versatility of magnetic functional devices by using specifically designed structural magnetic materials.
publishDate 2025
dc.date.none.fl_str_mv 2025
2025
2025
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http://purl.org/coar/resource_type/c_6501
Publisher's version
info:eu-repo/semantics/publishedVersion
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status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/393954
https://api.elsevier.com/content/abstract/scopus_id/105001073748
url http://hdl.handle.net/10261/393954
https://api.elsevier.com/content/abstract/scopus_id/105001073748
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
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ACS nano
http://doi.org/10.1021/acsnano.5c00422
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dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv American Chemical Society
publisher.none.fl_str_mv American Chemical Society
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str DIGITAL.CSIC. Repositorio Institucional del CSIC
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spelling On-Chip Planar Metasurfaces for Magnetic Sensors with Greatly Enhanced SensitivityBarrera, AleixFourneau, EmileBort-Soldevila, NatanaelCunill Subiranas, JaumeValle, Nuria delLejeune, NicolasStaňo, MichalSmekhova, AlevtinaMestres, NarcísBalcells, LluisNavau, CarlesUhlíř, VojtěchBending, Simon J.Valencia, SergioSilhanek, Alejandro V.Palau, AnnaMagnetic flux concentratorsMagnetic sensorsMetamaterialsMetasurfacesMicromagnetismMetamaterials with engineered structures have been extensively investigated for their capability to manipulate optical, acoustic, or thermal waves. In particular, magnetic metamaterials with precise geometry, shape, size and arrangement of their elemental blocks may be used to concentrate, focus, or guide magnetic fields. In this work, we show the potential of using soft-magnetic permalloy (Py) metasurfaces to tailor the physical properties of other magnetic structures at the local scale. As an illustration, the magnetic response of a Cobalt (Co) sensor bar placed at the core of a Py metasurface is investigated as a function of in-plane magnetic fields through the planar Hall effect. Our findings reveal that by appropriately selecting the metasurface geometrical parameters, we can adjust the Co bar's coercive field and susceptibility, leading to a huge enhancement in sensor sensitivity of over 2 orders of magnitude. Micromagnetic simulations, coupled with magneto-transport equations and X-ray photoemission electron measurements (XPEEM) with contrast from magnetic circular dichroism (XMCD), accurately capture this effect and provide insights into the underlying physical mechanisms. These findings can potentially enhance the performance and versatility of magnetic functional devices by using specifically designed structural magnetic materials.The authors acknowledge financial support from Fonds de la Recherche Scientifique - FNRS under the programs PDR T.0204.21 and CDR J.0176.22, EraNet-CHISTERA R.8003.21. Spanish Ministry of Science and Innovation MCIN/AEI/10.13039/501100011033/through CHIST-ERA PCI2021-122028-2A and PCI2021-122083-2A cofinanced by the European Union Next Generation EU/PRTR, PID2021-124680OB-I00, PID2021–128410OB-I00, and TED2021-130402B–I00, cofinanced by ERDF a way of making Europe, and Severo Ochoa Programme for Centres of Excellence in R&D (CEX2023–001263-S). The Spanish Nanolito networking project (RED2022-134096-T). The Research Foundation and by COST (European Cooperation in Science and Technology) [www.cost.eu] through COST Action SUPERQUMAP (CA 21144). N.L. acknowledges support from FRS-FNRS (Research Fellowships FRIA). The work of E.F. has been financially supported by the FWO and F.R.S.-FNRS under the Excellence of Science (EOS) project O.0028.22. AB acknowledge support from MICIN Predoctoral Fellowship (PRE2019-09781). S.J.B. was supported by the Engineering and Physical Sciences Research Council (EPSRC) in the United Kingdom under Grant No. EP/W022680/1. The authors acknowledge the Scientific Services at ICMAB and the UAB PhD program in Materials Science. M.S. and V.U. acknowledge the support from the TACR EraNet CHIST-ERA project MetaMagIC TH77010001. J.C.-S. acknowledges funding from AGAUR-FI Joan Oró grants (2023 FI-2 00143), Generalitat de Catalunya. We thank the Helmholtz-Zentrum Berlin für Materialien und Energie for the allocation of synchrotron radiation beamtime at the SPEEM end-station of UE49-PGM beamline at BESSY II.With funding from the Spanish government through the ‘Severo Ochoa Centre of Excellence’ accreditation (CEX2023-001263-S).Peer reviewedAmerican Chemical SocietyNational Fund for Scientific Research (Belgium)Ministerio de Ciencia e Innovación (España)Agencia Estatal de Investigación (España)European Cooperation in Science and TechnologyEngineering and Physical Sciences Research Council (UK)Generalitat de CatalunyaCunill Subiranas, Jaume [0000-0002-5612-2846]Lejeune, Nicolas [0000-0001-6003-1472]Staňo, Michal [0000-0002-7440-7191]Mestres, Narcís [0000-0001-6468-4227]Navau, Carles [0000-0003-4763-5305]Uhlíř, Vojtěch [0000-0002-0512-6329]Bending, Simon J. [0000-0002-4474-2554]Valencia, Sergio [0000-0002-3912-5797]Silhanek, Alejandro V. [0000-0001-9551-5717]Palau, Anna [0000-0002-2217-164X]Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]202520252025info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Publisher's versioninfo:eu-repo/semantics/publishedVersionhttp://hdl.handle.net/10261/393954https://api.elsevier.com/content/abstract/scopus_id/105001073748reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Inglés#PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE#info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2021-2023/PCI2021-122028-2Ainfo:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2021-2023/PCI2021-122083-2Ainfo:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2021-2023/PID2021-124680OB-I00info:eu-repo/grantAgreement/MICINN/Plan Estatal de investigación Científica y Técnica y de Innovación 2021-2023/PID2021–128410OB-I00info:eu-repo/grantAgreement/MICINN/Plan Estatal de investigación Científica y Técnica y de Innovación 2021-2023/TED2021-130402B–I00info:eu-repo/grantAgreement/AEI/Plan Estatal de investigación Científica y Técnica y de Innovación 2021-2023/CEX2023-001263-Sinfo:eu-repo/grantAgreement/MICINN/Plan Estatal de investigación Científica y Técnica y de Innovación 2021-2023/RED2022-134096-TACS nanohttp://doi.org/10.1021/acsnano.5c00422Síinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/3939542026-05-22T06:33:51Z
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