Room-temperature tunnel magnetoresistance across biomolecular tunnel junctions based on ferritin

We report exceptionally large tunnel magnetoresistance (TMR) for biomolecular tunnel junctions based on ferritins immobilized between Ni and EGaIn electrodes. Ferritin stores iron in the form of ferrihydrite nanoparticles (NPs) and fulfills the following roles: (a) it dictates the tunnel barrier, (b...

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Authors: Karuppannan, Senthil Kumar, Reddy Putluru, S. S., Herng, Tun Seng, Ding, Jun, Chi, Xiao, Barco, Enrique del, Roche, Stephan, Yu, Xiaojiang, Yakovlev, Nikolai, Lim, Sierin
Format: article
Status:Published version
Publication Date:2021
Country:España
Institution:Consejo Superior de Investigaciones Científicas (CSIC)
Repository:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/265689
Online Access:http://hdl.handle.net/10261/265689
Access Level:Open access
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spelling Room-temperature tunnel magnetoresistance across biomolecular tunnel junctions based on ferritinKaruppannan, Senthil KumarReddy Putluru, S. S.Herng, Tun SengDing, JunChi, XiaoBarco, Enrique delRoche, StephanYu, XiaojiangYakovlev, NikolaiLim, SierinWe report exceptionally large tunnel magnetoresistance (TMR) for biomolecular tunnel junctions based on ferritins immobilized between Ni and EGaIn electrodes. Ferritin stores iron in the form of ferrihydrite nanoparticles (NPs) and fulfills the following roles: (a) it dictates the tunnel barrier, (b) it magnetically decouples the NPs from the ferromagnetic (FM) electrode, (c) it stabilizes the NPs, and (d) it acts as a spin filter reducing the complexity of the tunnel junctions since only one FM electrode is required. The mechanism of charge transport is long-range tunneling which results in TMR of 60 ± 10% at 200 K and 25 ± 5% at room temperature. We propose a magnon-assisted transmission to explain the substantially larger TMR switching fields (up to 1 Tesla) than the characteristic coercive fields (a few Gauss) of ferritin ferrihydrite particles at T < 20 K. These results highlight the genuine potential of biomolecular tunnel junctions in designing functional nanoscale spintronic devices.We acknowledge the Ministry of Education (MOE) for supporting this research under award No. MOE2019-T2-1-137. Prime Minister's Office, Singapore under its Medium sized center program is also acknowledged for supporting this research. We kindly acknowledge the Singapore Synchrotron Light Source (SSLS) supporting our experiments at the SINS beam line under NUS core support C-380-003-003-001. We would like to acknowledge beamline scientists Dr Bruce Cowie and Dr Anton Tadich (soft x-ray (SXR) Beamline at the Australian Synchrotron) for their immense support. E d B acknowledges support from the US National Science Foundation (Grant No.: ECCS#1916874). S R acknowledges funding from CA2DM-NUS during his stay in Singapore. ICN2 is funded by the CERCA programme/generalitat de Catalunya, and the Severo Ochoa program from Spanish MINECO (Grant No. SEV-2017-0706).IOP PublishingMinistry of Education (Singapore)National Science Foundation (US)Generalitat de CatalunyaMinisterio de Economía y Competitividad (España)Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]2022202220212022info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Publisher's versioninfo:eu-repo/semantics/publishedVersionhttp://hdl.handle.net/10261/265689reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Inglés#PLACEHOLDER_PARENT_METADATA_VALUE#info:eu-repo/grantAgreement/MINECO//SEV-2017-0706http://doi.org/10.1088/2515-7639/abfa79Síinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/2656892026-05-22T06:33:51Z
dc.title.none.fl_str_mv Room-temperature tunnel magnetoresistance across biomolecular tunnel junctions based on ferritin
title Room-temperature tunnel magnetoresistance across biomolecular tunnel junctions based on ferritin
spellingShingle Room-temperature tunnel magnetoresistance across biomolecular tunnel junctions based on ferritin
Karuppannan, Senthil Kumar
title_short Room-temperature tunnel magnetoresistance across biomolecular tunnel junctions based on ferritin
title_full Room-temperature tunnel magnetoresistance across biomolecular tunnel junctions based on ferritin
title_fullStr Room-temperature tunnel magnetoresistance across biomolecular tunnel junctions based on ferritin
title_full_unstemmed Room-temperature tunnel magnetoresistance across biomolecular tunnel junctions based on ferritin
title_sort Room-temperature tunnel magnetoresistance across biomolecular tunnel junctions based on ferritin
dc.creator.none.fl_str_mv Karuppannan, Senthil Kumar
Reddy Putluru, S. S.
Herng, Tun Seng
Ding, Jun
Chi, Xiao
Barco, Enrique del
Roche, Stephan
Yu, Xiaojiang
Yakovlev, Nikolai
Lim, Sierin
author Karuppannan, Senthil Kumar
author_facet Karuppannan, Senthil Kumar
Reddy Putluru, S. S.
Herng, Tun Seng
Ding, Jun
Chi, Xiao
Barco, Enrique del
Roche, Stephan
Yu, Xiaojiang
Yakovlev, Nikolai
Lim, Sierin
author_role author
author2 Reddy Putluru, S. S.
Herng, Tun Seng
Ding, Jun
Chi, Xiao
Barco, Enrique del
Roche, Stephan
Yu, Xiaojiang
Yakovlev, Nikolai
Lim, Sierin
author2_role author
author
author
author
author
author
author
author
author
dc.contributor.none.fl_str_mv Ministry of Education (Singapore)
National Science Foundation (US)
Generalitat de Catalunya
Ministerio de Economía y Competitividad (España)
Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
description We report exceptionally large tunnel magnetoresistance (TMR) for biomolecular tunnel junctions based on ferritins immobilized between Ni and EGaIn electrodes. Ferritin stores iron in the form of ferrihydrite nanoparticles (NPs) and fulfills the following roles: (a) it dictates the tunnel barrier, (b) it magnetically decouples the NPs from the ferromagnetic (FM) electrode, (c) it stabilizes the NPs, and (d) it acts as a spin filter reducing the complexity of the tunnel junctions since only one FM electrode is required. The mechanism of charge transport is long-range tunneling which results in TMR of 60 ± 10% at 200 K and 25 ± 5% at room temperature. We propose a magnon-assisted transmission to explain the substantially larger TMR switching fields (up to 1 Tesla) than the characteristic coercive fields (a few Gauss) of ferritin ferrihydrite particles at T < 20 K. These results highlight the genuine potential of biomolecular tunnel junctions in designing functional nanoscale spintronic devices.
publishDate 2021
dc.date.none.fl_str_mv 2021
2022
2022
2022
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
Publisher's version
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/265689
url http://hdl.handle.net/10261/265689
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv #PLACEHOLDER_PARENT_METADATA_VALUE#
info:eu-repo/grantAgreement/MINECO//SEV-2017-0706
http://doi.org/10.1088/2515-7639/abfa79
Sí
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv IOP Publishing
publisher.none.fl_str_mv IOP Publishing
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
collection DIGITAL.CSIC. Repositorio Institucional del CSIC
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,812429

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