Improvement of Interfacial Adhesion Strength and Thermal Stability of Cu/p-SiC:H/SiOC:H Film Stack by Plasma Treatment on the Surface of Cu Film

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摘要 Ahighlyreliableinterfaceofself-alignedbarrierCuSiNthinlayerbetweentheCufilmandthenano-porousSiC:H(p-SiC:H)cappingbarrier(k=3.3)hasbeendevelopedinthepresentwork.Withtheintroductionofself-alignedbarrier(SAB)CuSiNbetweenaCufilmandap-SiC:Hcappingbarrier,theinterfacialthermalstabilityandtheadhesionoftheCu/p-SiC:Hfilmareconsiderablyenhanced.AsignificantimprovementofadhesionstrengthandthermalstabilityofCu/p-SiC:H/SiOC:Hfilmstackhasbeenachievedbyoptimizingthepre-cleanstepbeforecap-layerdepositionandbyformingtheCuSiN-likephase.ThiscaplayeronthesurfaceoftheCucanprovideamorecohesiveinterfaceandeffectivelysuppressCuatommigrationaswell.
机构地区 不详
出版日期 2012年07月17日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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