期刊
APPLIED PHYSICS LETTERS
卷 94, 期 26, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3168502
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资金
- EPSRC
- EC Sixth Framework Programme [ERAS-CT-2003-980409]
- EPSRC [EP/D064465/2] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/D064465/2] Funding Source: researchfish
The effects of gold deposition on monolayer graphene (MG) epitaxied on SiC (0001) substrate are examined via scanning tunneling microscopy and scanning tunneling spectroscopy (STS). Two types of surfaces with distinctive topography are demonstrated: (i) intercalated gold clusters having no interaction with graphene and (ii) 13 x 13-G reconstruction attributed to a Moire pattern arising from the intercalation of 1 ML of gold between a MG and the underlying SiC substrate. This surface also displays a 2 root 3 x 2 root 3R30-Au (111) surface reconstruction interpreted as surface corrugation. The STS curve shows a possible hole-doping effect in the latter case. (C) 2009 American Institute of Physics. [DOI: 10.1063/1.3168502]
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