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Periodicity in Al/Ti superconducting single electron transistors

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en
dc.contributor.author MacLeod, Sarah J.
dc.contributor.author Kafanov, Sergey
dc.contributor.author Pekola, Jukka P.
dc.date.accessioned 2015-05-20T09:00:43Z
dc.date.available 2015-05-20T09:00:43Z
dc.date.issued 2009
dc.identifier.citation MacLeod, Sarah J. & Kafanov, Sergey & Pekola, Jukka. 2009. Periodicity in Al/Ti superconducting single electron transistors. Applied Physics Letters. Volume 95, Issue 5. P. 052503/1-3. ISSN 0003-6951 (printed). DOI: 10.1063/1.3194777. en
dc.identifier.issn 0003-6951 (printed)
dc.identifier.uri https://aaltodoc.aalto.fi/handle/123456789/16107
dc.description.abstract We present experiments on single Cooper-pair transistors made of two different superconducting materials. We chose Ti and Al to create an energy gap profile such that the island has a higher gap than the leads, thereby acting as a barrier to quasiparticletunneling. Our transport measurements demonstrate that quasiparticle poisoning is suppressed in all our TiAlTi structures (higher gap for the island) with clear 2e periodicity observed, whereas full quasiparticle poisoning is observed in all AlTiAl devices (higher gap for the leads) with e periodicity. en
dc.format.extent 052503/1-3
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher AIP Publishing en
dc.relation.ispartofseries Applied Physics Letters en
dc.relation.ispartofseries Volume 95, Issue 5
dc.rights © 2009 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Applied Physics Letters and may be found at http://scitation.aip.org/content/aip/journal/apl/95/5/10.1063/1.3194777 en
dc.subject.other Physics en
dc.title Periodicity in Al/Ti superconducting single electron transistors en
dc.type A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä fi
dc.description.version Peer reviewed en
dc.rights.holder American Institute of Physics
dc.contributor.school Perustieteiden korkeakoulu fi
dc.contributor.school School of Science en
dc.contributor.department Department of Applied Physics en
dc.contributor.department Teknillisen fysiikan laitos fi
dc.subject.keyword aluminium alloys en
dc.subject.keyword energy gap en
dc.subject.keyword quasiparticles en
dc.subject.keyword single electron transistors en
dc.subject.keyword superconducting materials en
dc.subject.keyword titanium alloys en
dc.subject.keyword tunneling en
dc.subject.keyword lead en
dc.subject.keyword superconductivity en
dc.identifier.urn URN:NBN:fi:aalto-201505192750
dc.type.dcmitype text en
dc.identifier.doi 10.1063/1.3194777
dc.type.version Final published version en


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