Electron Doping of Ultrathin Black Phosphorus with Cu Adatoms

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dc.contributor.authorKoenig S.P.
dc.contributor.authorDoganov R.A.
dc.contributor.authorSeixas L.
dc.contributor.authorCarvalho A.
dc.contributor.authorTan J.Y.
dc.contributor.authorWatanabe K.
dc.contributor.authorTaniguchi T.
dc.contributor.authorYakovlev N.
dc.contributor.authorCastro Neto A.H.
dc.contributor.authorOzyilmaz B.
dc.date.accessioned2024-03-13T00:53:26Z
dc.date.available2024-03-13T00:53:26Z
dc.date.issued2016
dc.description.abstract© 2016 American Chemical Society.Few-layer black phosphorus is a monatomic two-dimensional crystal with a direct band gap that has high carrier mobility for both holes and electrons. Similarly to other layered atomic crystals, like graphene or layered transition metal dichalcogenides, the transport behavior of few-layer black phosphorus is sensitive to surface impurities, adsorbates, and adatoms. Here we study the effect of Cu adatoms onto few-layer black phosphorus by characterizing few-layer black phosphorus field effect devices and by performing first-principles calculations. We find that the addition of Cu adatoms can be used to controllably n-dope few layer black phosphorus, thereby lowering the threshold voltage for n-type conduction without degrading the transport properties. We demonstrate a scalable 2D material-based complementary inverter which utilizes a boron nitride gate dielectric, a graphite gate, and a single bP crystal for both the p- and n-channels. The inverter operates at matched input and output voltages, exhibits a gain of 46, and does not require different contact metals or local electrostatic gating.
dc.description.firstpage2145
dc.description.issuenumber4
dc.description.lastpage2151
dc.description.volume16
dc.identifier.doi10.1021/acs.nanolett.5b03278
dc.identifier.issn1530-6992
dc.identifier.urihttps://dspace.mackenzie.br/handle/10899/35985
dc.relation.ispartofNano Letters
dc.rightsAcesso Restrito
dc.subject.otherlanguageadatoms
dc.subject.otherlanguageblack phosphorus
dc.subject.otherlanguagedoping
dc.subject.otherlanguageinverter
dc.subject.otherlanguagePhosphorene
dc.subject.otherlanguagetransistor
dc.titleElectron Doping of Ultrathin Black Phosphorus with Cu Adatoms
dc.typeArtigo
local.scopus.citations197
local.scopus.eid2-s2.0-84964915464
local.scopus.subjectComplementary inverters
local.scopus.subjectField-effect devices
local.scopus.subjectFirst-principles calculation
local.scopus.subjectHigh carrier mobility
local.scopus.subjectinverter
local.scopus.subjectLayered transition metal dichalcogenides
local.scopus.subjectPhosphorene
local.scopus.subjectTwo-dimensional crystals
local.scopus.updated2024-05-01
local.scopus.urlhttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84964915464&origin=inward
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