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上传时间:2023/12/23 4:42:47
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Stacking-faults-freezincblendeGaAs/AlGaAsaxialheterostructurenanowiresduringvapor-liquid-solidgrowth
PurezincblendestructureGaAs/AlGaAsaxialheterostructurenanowires(NWs)aregrownbymetalorganicchemicalvapordepositiononGaAs(111)BsubstratesusingAu-catalyzedvapor-liquid-solidmechanism.AladatomenhancestheinfluenceofdiametersonNWsgrowthrate.NWsaregrownmainlythroughthecontributionsfromthedirectimpingementoftheprecursorsontothealloydropletsandnotsomuchfromadatomdiffusion.Theresultsindicatethatthedropletactsasacatalystratherthanana
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