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An Exchange Intercalation Mechanism for the Formation of a Two-Dimensional Si Structure Underneath Graphene
Cui, Yi1; Gao, Junfeng2; Jin, Li1; Zhao, Jijun2; Tan, Dali1; Fu, Qiang1; Bao, Xinhe1
KeywordGraphene Photoemission Electron Microscopy (Peem) Low Energy Electron Microscopy (Leem) Intercalation Silicon Ru(0001)
Source PublicationNANO RESEARCH
2012-05-01
DOI10.1007/s12274-012-0215-4
Volume5Issue:5Pages:352-360
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
WOS SubjectChemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
WOS KeywordBIMETALLIC SURFACES ; NI(111) SURFACE ; RU(0001) ; GROWTH ; DEPOSITION ; CLUSTERS ; FILMS
AbstractA two-dimensional (2D) Si film can form between a graphene overlayer and a Ru(0001) substrate through an intercalation process. At the graphene/2D-Si/Ru(0001) surface, the topmost graphene layer is decoupled from the Ru substrate and becomes quasi-freestanding. The interfacial Si layers show high stability due to the protection from the graphene cover. Surface science measurements indicate that the surface Si atoms can penetrate through the graphene lattice, and density functional theory calculations suggest a Si-C exchange mechanism facilitates the penetration of Si at mild temperatures. The new mechanism may be involved for other elements on graphene, if they can bond strongly with carbon. This finding opens a new route to form 2D interfacial layers between graphene and substrates.
Language英语
WOS IDWOS:000304114100006
Citation statistics
Cited Times:51[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/142970
Collection中国科学院大连化学物理研究所
Affiliation1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Dalian Univ Technol, Minist Educ, Key Lab Mat Modificat Laser Ion & Elect Beams, Dalian 116024, Peoples R China
Recommended Citation
GB/T 7714
Cui, Yi,Gao, Junfeng,Jin, Li,et al. An Exchange Intercalation Mechanism for the Formation of a Two-Dimensional Si Structure Underneath Graphene[J]. NANO RESEARCH,2012,5(5):352-360.
APA Cui, Yi.,Gao, Junfeng.,Jin, Li.,Zhao, Jijun.,Tan, Dali.,...&Bao, Xinhe.(2012).An Exchange Intercalation Mechanism for the Formation of a Two-Dimensional Si Structure Underneath Graphene.NANO RESEARCH,5(5),352-360.
MLA Cui, Yi,et al."An Exchange Intercalation Mechanism for the Formation of a Two-Dimensional Si Structure Underneath Graphene".NANO RESEARCH 5.5(2012):352-360.
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