Nonpolar resistive switching in Ag@TiO2 core-shell nanowires

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dc.check.date2018-10-13
dc.check.infoAccess to this article is restricted until 12 months after publication by request of the publisher.en
dc.contributor.authorManning, Hugh G.
dc.contributor.authorBiswas, Subhajit
dc.contributor.authorHolmes, Justin D.
dc.contributor.authorBoland, John J.
dc.contributor.funderEuropean Research Councilen
dc.contributor.funderScience Foundation Irelanden
dc.date.accessioned2018-01-04T15:36:44Z
dc.date.available2018-01-04T15:36:44Z
dc.date.issued2017-10-13
dc.date.updated2018-01-04T12:20:03Z
dc.description.abstractNonpolar resistive switching (RS), a combination of bipolar and unipolar RS, is demonstrated for the first time in a single nanowire (NW) system. Exploiting Ag@TiO2 core–shell (CS) NWs synthesized by postgrowth shell formation, the switching mode is controlled by adjusting the current compliance effectively, tailoring the electrical polarity response. We demonstrate ON/OFF ratios of 105 and 107 for bipolar and unipolar modes, respectively. In the bipolar regime, retention times could be controlled up to 103 s, and in the unipolar mode, >106 s was recorded. We show how the unique dual-mode switching behavior is enabled by the defect-rich polycrystalline material structure of the TiO2 shell and the interaction between the Ag core and the Ag electrodes. These results provide a foundation for engineering nonpolar RS behaviors for memory storage and neuromorphic applications in CSNW structures.en
dc.description.statusPeer revieweden
dc.description.versionAccepted Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationManning, H. G.; Biswas, S.; Holmes, J. D.; Boland, J. J. (2017) 'Nonpolar resistive switching in Ag@TiO2 core-shell nanowires'. Acs Applied Materials & Interfaces, 9 (44), pp. 38959-38966. doi: 10.1021/acsami.7b10666en
dc.identifier.doi10.1021/acsami.7b10666
dc.identifier.endpage38966en
dc.identifier.issued44en
dc.identifier.journaltitleACS Applied Materials & Interfacesen
dc.identifier.startpage38959en
dc.identifier.urihttps://hdl.handle.net/10468/5233
dc.identifier.volume9en
dc.language.isoenen
dc.publisherAmerican Chemical Societyen
dc.relation.projectinfo:eu-repo/grantAgreement/EC/FP7::SP2::ERC/321160/EU/Cognitive Networks for Intelligent Materials and Devices/COGNETen
dc.relation.projectinfo:eu-repo/grantAgreement/SFI/SFI Research Centres/12/RC/2278/IE/Advanced Materials and BioEngineering Research Centre (AMBER)/en
dc.relation.urihttp://pubs.acs.org/doi/abs/10.1021/acsami.7b10666
dc.rights© 2017 American Chemical Society. This document is the Accepted Manuscript version of a Published Work that appeared in final form in ACS Applied Materials & Interfaces, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see http://pubs.acs.org/doi/pdf/10.1021/acsami.7b10666en
dc.subjectNanowireen
dc.subjectNonpolar resistive switchingen
dc.subjectSilveren
dc.subjectTitanium dioxideen
dc.subjectCore-shellen
dc.titleNonpolar resistive switching in Ag@TiO2 core-shell nanowiresen
dc.typeArticle (peer-reviewed)en
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