简介:Multielectrodesemiconductorlasersarestudiedviatheraymethod.TheexpressionoftheoutputphotonnumberofN-electrodesemiconductorlasershasbeenderivedforthefirsttime.WhenN=1or2,theexpressionoftheoutputphotonnumberfitsinthatofone-electrode(general)ortwo-electrodesemiconductorlasersperfectly.
简介:EmeiSemiconductorMaterialFactoryincludingEmeiResearchInstituteofSemiconductorMaterialisanimportantcomplexunitcombiningfactorywithinsti-tutespecializedinproduction,trial-produc-tionandscientificresearchofsemiconductormaterialsinChina.Itisnotonlyakeyen-terpriseinChinaNationalNonferrousMet-alsIndustryCorporation,butalsoanim-
简介:本文研究具有混合边界条件半导体方程的近似解,给出了两种近似格式:Galerkin离散格式和混合变量离散格式,同时还给出了误差分析
简介:Anoveltheoreticalmodelofthermaldiffusionhasbeenestablishedtostudythermalinteractionbetweentwoneighboringdiodsinsemiconductorlaserarrays.Themaincauseoftheocurrenceofthethermalinteractionbetweentwoneighboringdiodesinarraydevicesistheheatconductionthroughheatsink.Weholdthatasthedevicesmusyhaveheatsinktodiffuseheat,thiskindofinteractioninthearraywouldalwaysexist.However,whenthepitchbetweentwoneighboringdiodesinthearrayisreasonablydefined,thistroublesomethermalinteractioncanbesimplyreducedbyusingourmodel.Basedontheindividualdiodeswithleakywaveguidestructure,weexperimentallysucceededinfabricating2D4×4arrays.Thethermalinteractionbetweenupperandlowerdiodesinthe2Darrayisalsoconsideredaswellasthefunctionoftheheatsink.Themeasuredresultsshowthatthepulsepeakoutputpowerofthe2D4×4arrayishighupto11W.
简介:Thispaperreviewsthestudiesonacoustoelectriceffectinextrinsicsemiconductormaterialsusedinvariousscientificandothermeasurements.Ahistoricalreviewofearlierfindingsisgivenwithspecialreferencetoassociatedmechanisms.Acoustoelectricstudiesinsolidstatedevioesrequirefurtherattentionandtheworkdoneinthisareaisalsodiscussed.
简介:Themathematicalmodelofsemiconductordevicesisdescribedbytheinitialboundaryvalueproblemofasystemofthreenonlinearpartialdifferentialequations.Oneequationinellipticformisfortheelectrostaticpotential;twoequationsofconvection-dominateddiffusiontypearefortheelectronandholeconcentrations.Finitevolumeelementprocedureareputforwardfortheelectrostaticpotential,whileupwindvolumeelementschemesforthetwoconcentrationequations.ErrorestimatesinL2normforournumericalschemesarederived.
简介:AcompletemodelofMetal-Semiconductor-MetalPhotodetector(MSM-PD)ispresented.Itcanbeusedinanycircuitsimulators.SimulatedDCcharacteristicsforaGaAsMSM-PDareingoodagreementwithreportedresults.
简介:MeasurementofMoistureInsidetheHermeticPackageofSemiconductorDevice①XIEXuqiang(YanshanUniversity,Qinhuangdao066004,CHN)YUTieya...
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简介:Thepapershortlyreviewsthebasicdirectapproachesappliedinsearchingforviablesolutionstosolarfuelproduction.Thesearegenerallydistinguishedinmolecularandsemiconductor(non-molecular)systems,however,hybridstrategies,proposedrecently,havealsobeenincluded.Themostpromisingeffortsareconsidered,highlightingkeyaspectsandemergingcriticalissues.Specialattentionispaidtoaspectssuchaselectrodearchitecture,devicedesign,andmaindifferencesinthescientificvisionandchallengestodirectlyproducesolarfuels.Thisoverviewcouldbeusefultoorientatethereadersinthewidepanoramaofresearchactivitiesconcerningwatersplitting,naturalandartificialphotosynthesis,andsolarfuelproductionthroughtheidentificationofcommonaspects,specialtiesandpotentialitiesofthemanyinitiativesandapproachesthataredevelopingworldwideinthisfieldwiththefinalaimtomeetworldenergydemand.