Electronic Characterization of a Charge-Transfer Complex Monolayer on Graphene

dc.contributorAalto-yliopistofi
dc.contributorAalto Universityen
dc.contributor.authorKumar, Avijiten_US
dc.contributor.authorBanerjee, Kaustuven_US
dc.contributor.authorErvasti, Mikko M.en_US
dc.contributor.authorKezilebieke, Shawulienuen_US
dc.contributor.authorDvorak, Marcen_US
dc.contributor.authorRinke, Patricken_US
dc.contributor.authorHarju, Arien_US
dc.contributor.authorLiljeroth, Peteren_US
dc.contributor.departmentDepartment of Applied Physicsen
dc.contributor.groupauthorAtomic Scale Physicsen
dc.contributor.groupauthorComputational Electronic Structure Theoryen
dc.date.accessioned2021-08-04T06:46:14Z
dc.date.available2021-08-04T06:46:14Z
dc.date.issued2021-06-22en_US
dc.description| openaire: EC/H2020/788185/EU//E-DESIGN
dc.description.abstractOrganic charge-transfer complexes (CTCs) formed by strong electron acceptor and strong electron donor molecules are known to exhibit exotic effects such as superconductivity and charge density waves. We present a low-temperature scanning tunneling microscopy and spectroscopy (LT-STM/STS) study of a two-dimensional (2D) monolayer CTC of tetrathiafulvalene (TTF) and fluorinated tetracyanoquinodimethane (F4TCNQ), self-assembled on the surface of oxygen-intercalated epitaxial graphene on Ir(111) (G/O/Ir(111)). We confirm the formation of the charge-transfer complex by dI/dV spectroscopy and direct imaging of the singly occupied molecular orbitals. High-resolution spectroscopy reveals a gap at zero bias, suggesting the formation of a correlated ground state at low temperatures. These results point to the possibility to realize and study correlated ground states in charge-transfer complex monolayers on weakly interacting surfaces.en
dc.description.versionPeer revieweden
dc.format.mimetypeapplication/pdfen_US
dc.identifier.citationKumar, A, Banerjee, K, Ervasti, M M, Kezilebieke, S, Dvorak, M, Rinke, P, Harju, A & Liljeroth, P 2021, ' Electronic Characterization of a Charge-Transfer Complex Monolayer on Graphene ', ACS Nano, vol. 15, no. 6, pp. 9945-9954 . https://doi.org/10.1021/acsnano.1c01430en
dc.identifier.doi10.1021/acsnano.1c01430en_US
dc.identifier.issn1936-0851
dc.identifier.issn1936-086X
dc.identifier.otherPURE UUID: e11b319e-442c-4873-bc68-aeb222378907en_US
dc.identifier.otherPURE ITEMURL: https://research.aalto.fi/en/publications/e11b319e-442c-4873-bc68-aeb222378907en_US
dc.identifier.otherPURE LINK: http://www.scopus.com/inward/record.url?scp=85108873699&partnerID=8YFLogxKen_US
dc.identifier.otherPURE FILEURL: https://research.aalto.fi/files/65509097/Electronic_Characterization.acsnano.1c01430.pdfen_US
dc.identifier.urihttps://aaltodoc.aalto.fi/handle/123456789/108980
dc.identifier.urnURN:NBN:fi:aalto-202108048224
dc.language.isoenen
dc.publisherAMERICAN CHEMICAL SOCIETY
dc.relationinfo:eu-repo/grantAgreement/EC/H2020/788185/EU//E-DESIGNen_US
dc.relation.ispartofseriesACS Nanoen
dc.rightsopenAccessen
dc.subject.keywordcharge density wave (CDW)en_US
dc.subject.keywordcharge-transfer complexen_US
dc.subject.keywordepitaxial grapheneen_US
dc.subject.keywordFTCNQen_US
dc.subject.keywordscanning tunneling microscopy (STM)en_US
dc.subject.keywordTTFen_US
dc.titleElectronic Characterization of a Charge-Transfer Complex Monolayer on Grapheneen
dc.typeA1 Alkuperäisartikkeli tieteellisessä aikakauslehdessäfi
dc.type.versionpublishedVersion
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