Nonpolar resistive switching in Ag@TiO2 core-shell nanowires

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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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