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1、Proceedingsofthe5thEuropeanMicrowaveIntegratedCircuitsConferenceElectromagneticPropagationinGrapheneinthemm-WaveFrequencyRange#1*,+#3$*DanNeculoiu,GeorgeDeligeorgis,MirceaDragoman,DanielaDragoman,GeorgeKonstantinidis,#+AlinaCismaru,RobertPlana#NationalIns
2、tituteforResearchandDevelopmentinMicrotechnology(IMT),P.O.Box38-160,023573Bucharest,Romania1dan.neculoiu@imt.ro3mircea.dragoman@imt.ro*FoundationforResearch&TechnologyHellas(FORTH)P.O.BOX1527,VassilikaVouton,Heraklion71110,Crete,Greece2deligeo@physics.uoc
3、.gr$Univ.Bucharest,PhysicsDept.,P.O.BoxMG-11,077125Bucharest,Romania+LAASCNRS,7AvenueduColonelRoche,31077ToulouseCedex4,FranceNameAbstract—ThispaperpresentsthemeasurementsandmodellingGrapheneisatwo-dimensionalmaterialwithgreatpotentialoftheelectromagnetic
4、propagationingrapheneinthemm-waveforelectronics.Arecentreviewaboutgraphenetransportfrequencyrange.Twoteststructureswerefabricatedonhighpropertiesisfoundin[2].Thismakesthesecarbonbasedresistivitysiliconsubstrateandtested.Thefirstisareferenceelectronicmater
5、ialsparticularlypromisingforhigh-frequencystructureanditwasusedtoextracttheelectromagneticcircuits.Atop-gatedgraphenetransistoroperatingatgigahertzparametersofthesubstrateupto60GHz.Thesecondstructurefrequencieshavebeenreportedrecentlyin[3].Thecutoffwaspar
6、tiallysupportedonagraphenemonolayer.Fromtheexperimentalresults,thebiasdependentparametersforthefrequencyofthedevicewas4GHz.PreliminaryexperimentalsimpleparallelRCmodelforthegrapheneflakewereextracted.resultsregardingthemicrowavepropagationingraphenewerere
7、portedbytheauthorsofthispaperin[4]and[5].TheupperI.INTRODUCTIONlimitofthefrequencyrangewasrestrictedto7GHzbecauseThereisagrowinginteresttodeveloptechnologiesusingthesiliconsubstrateusedintheexperimentswaslowothermaterialsthansiliconandGaAstomeetmodernresi
8、stivitysociety’sincreasingneedforfast,efficientandcheapDespitetheseresearches,thegraphenebehaviourinthemicroelectronics.TheITRS(InternationalTechnologymm-waverangeisquasi-unknownanditspotentialforhighRoadmapforSemic
