Breakdown of Zero-Energy Quantum Hall State in Graphene in the Light of Current Fluctuations and Shot Noise

dc.contributorAalto-yliopistofi
dc.contributorAalto Universityen
dc.contributor.authorLaitinen, Antti
dc.contributor.authorKumar, Manohar
dc.contributor.authorElo, Teemu
dc.contributor.authorLiu, Ying
dc.contributor.authorAbhilash, T. S.
dc.contributor.authorHakonen, Pertti J.
dc.contributor.departmentDepartment of Applied Physics
dc.date.accessioned2018-08-01T13:32:51Z
dc.date.available2018-08-01T13:32:51Z
dc.date.embargoinfo:eu-repo/date/embargoEnd/2018-12-30
dc.date.issued2018
dc.description| openaire: EC/H2020/670743/EU//QuDeT
dc.description.abstractWe have investigated the cross-over from Zener tunneling of single charge carriers to avalanche type of bunched electron transport in a suspended graphene Corbino disk in the zeroth Landau level. At low bias, we find a tunneling current that follows the gyrotropic Zener tunneling behavior. At larger bias, we find an avalanche type of transport that sets in at a smaller current the larger the magnetic field is. The low-frequency noise indicates strong bunching of the electrons in the avalanches. On the basis of the measured low-frequency switching noise power, we deduce the characteristic switching rates of the avalanche sequence. The simultaneous microwave shot noise measurement also reveals intrinsic correlations within the avalanche pulses and indicate a decrease in correlations with increasing bias.en
dc.description.versionPeer revieweden
dc.format.extent16
dc.format.extent272–287
dc.format.mimetypeapplication/pdf
dc.identifier.citationLaitinen , A , Kumar , M , Elo , T , Liu , Y , Abhilash , T S & Hakonen , P J 2018 , ' Breakdown of Zero-Energy Quantum Hall State in Graphene in the Light of Current Fluctuations and Shot Noise ' , Journal of Low Temperature Physics , vol. 191 , no. 5-6 , pp. 272–287 . https://doi.org/10.1007/s10909-018-1855-xen
dc.identifier.doi10.1007/s10909-018-1855-x
dc.identifier.issn0022-2291
dc.identifier.issn1573-7357
dc.identifier.otherPURE UUID: b3302785-d5a8-42c8-88a6-0d7ce920f133
dc.identifier.otherPURE ITEMURL: https://research.aalto.fi/en/publications/b3302785-d5a8-42c8-88a6-0d7ce920f133
dc.identifier.otherPURE LINK: http://www.scopus.com/inward/record.url?scp=85041210317&partnerID=8YFLogxK
dc.identifier.otherPURE FILEURL: https://research.aalto.fi/files/26349143/SCI_Hakonen_QuantumHallBreakdownNoise.pdf
dc.identifier.urihttps://aaltodoc.aalto.fi/handle/123456789/32883
dc.identifier.urnURN:NBN:fi:aalto-201808014284
dc.language.isoenen
dc.relationinfo:eu-repo/grantAgreement/EC/H2020/670743/EU//QuDeT
dc.relation.ispartofseriesJournal of Low Temperature Physicsen
dc.relation.ispartofseriesVolume 191, issue 5-6en
dc.rightsopenAccessen
dc.subject.keywordDielectric breakdown
dc.subject.keywordGraphene
dc.subject.keywordQuantum Hall
dc.subject.keywordShot noise
dc.titleBreakdown of Zero-Energy Quantum Hall State in Graphene in the Light of Current Fluctuations and Shot Noiseen
dc.typeA1 Alkuperäisartikkeli tieteellisessä aikakauslehdessäfi
Files