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题名: A comparative study of intercalation mechanism at graphene/Ru(0001) interface
作者: Jin, Li1;  Fu, Qiang1;  Yang, Yang1;  Bao, Xinhe1
关键词: Graphene ;  LEEM ;  PEEM ;  Intercalation ;  Ru(0001)
刊名: SURFACE SCIENCE
发表日期: 2013-11-01
DOI: 10.1016/j.susc.2013.07.008
卷: 617, 页:81-86
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical ;  Physics, Condensed Matter
研究领域[WOS]: Chemistry ;  Physics
英文摘要: Both Ni and Pb intercalation reactions at graphene/Ru(0001) interface were studied by low energy electron microscopy (LEEM) and photoemission electron microscopy (PEEM). It is suggested that the Ni intercalation is dominated by an exchange intercalation mechanism, in which Ni adatoms produce transient atomic-scale defects in the graphene lattice and penetrate through the carbon monolayer. In contrast, the Pb intercalation process needs to be facilitated by the diffusion of Pb atoms through extended defect sites of graphene, such as open edges and domain boundaries. The two contrast intercalation mechanisms originate from the different interaction strength of the intercalated elements with carbon. Different responses of the graphene electronic structure to the Ni and Pb intercalation reactions were observed by PEEM. (C) 2013 Elsevier B.V. All rights reserved.
关键词[WOS]: EPITAXIAL GRAPHENE ;  UNDERNEATH GRAPHENE ;  METAL-SURFACES ;  GROWTH ;  SIC(0001) ;  RU(0001) ;  MORPHOLOGY ;  ADSORPTION ;  OXIDATION ;  MOIRE
语种: 英语
WOS记录号: WOS:000326141100012
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/137739
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China

Recommended Citation:
Jin, Li,Fu, Qiang,Yang, Yang,et al. A comparative study of intercalation mechanism at graphene/Ru(0001) interface[J]. SURFACE SCIENCE,2013,617:81-86.
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