A graphene-based hybrid material with quantum bits prepared by the double Langmuir–Schaefer method

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dc.contributor.authorHrubý, Jakubcs
dc.contributor.authorSantana, Vinicius Tadeucs
dc.contributor.authorKostiuk, Dmytrocs
dc.contributor.authorBouček, Martincs
dc.contributor.authorLenz, Samuelcs
dc.contributor.authorKern, Michalcs
dc.contributor.authorŠiffalovič, Petercs
dc.contributor.authorvan Slageren, Joriscs
dc.contributor.authorNeugebauer, Petrcs
dc.coverage.issue42cs
dc.coverage.volume9cs
dc.date.issued2019-08-01cs
dc.description.abstractThe scalability and stability of molecular qubits deposited on surfaces is a crucial step for incorporating them into upcoming electronic devices. Herein, we report on the preparation and characterisation of a molecular quantum bit, copper(II)dibenzoylmethane [Cu(dbm)2], deposited by a modified Langmuir–Schaefer (LS) technique onto a graphene-based substrate. A double LS deposition was used for the preparation of a few-layer-graphene (FLG) on a Si/SiO2 substrate with subsequent deposition of the molecules. Magnetic properties were probed by high-frequency electron spin resonance (HF-ESR) spectroscopy and found maintained after deposition. Additional spectroscopic and imaging techniques, such as Raman spectroscopy (RS), X-ray photoelectron spectroscopy (XPS), atomic force microscopy (AFM), and scanning electron microscopy (SEM) were performed to characterise the deposited sample. Our approach demonstrated the possibility to utilise a controlled wet-chemistry protocol to prepare an array of potential quantum bits on a disordered graphene-based substrate. The deployed spectroscopic techniques showed unambiguously the robustness of our studied system with a potential to fabricate large-scale, intact, and stable quantum bits.en
dc.formattextcs
dc.format.extent24066-24073cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationRSC Advances. 2019, vol. 9, issue 42, p. 24066-24073.en
dc.identifier.doi10.1039/c9ra04537fcs
dc.identifier.issn2046-2069cs
dc.identifier.orcid0000-0003-4947-3688cs
dc.identifier.orcid0000-0002-2258-6140cs
dc.identifier.orcid0000-0001-7095-6401cs
dc.identifier.other157948cs
dc.identifier.researcheridO-3974-2017cs
dc.identifier.researcheridB-5381-2014cs
dc.identifier.researcheridI-7844-2013cs
dc.identifier.scopus54788236000cs
dc.identifier.urihttp://hdl.handle.net/11012/209150
dc.language.isoencs
dc.relation.ispartofRSC Advancescs
dc.relation.urihttps://pubs.rsc.org/en/content/articlelanding/2019/RA/C9RA04537F#!divAbstractcs
dc.rightsCreative Commons Attribution 4.0 Internationalcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/2046-2069/cs
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/cs
dc.subjectAtomic force microscopyen
dc.subjectCopper compoundsen
dc.subjectDepositionen
dc.subjectGrapheneen
dc.subjectHybrid materialsen
dc.subjectMagnetic momentsen
dc.subjectQuantum computersen
dc.subjectScanning electron microscopyen
dc.subjectSubstratesen
dc.subjectX ray photoelectron spectroscopyen
dc.titleA graphene-based hybrid material with quantum bits prepared by the double Langmuir–Schaefer methoden
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-157948en
sync.item.dbtypeVAVen
sync.item.insts2025.02.03 15:50:51en
sync.item.modts2025.01.17 15:13:29en
thesis.grantorVysoké učení technické v Brně. Středoevropský technologický institut VUT. Magneto-Optická a THz Spektroskopiecs
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