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Sensitivity of graphene edge states to surface adatom interactions.

Abstract:

Electron beam irradiation at 60 kV is used to open holes in graphene and expose fresh clean edges for further examination by electron energy loss spectroscopy (EELS) at the single atom level combined with scanning transmission electron microscopy (STEM). We show that light element surface adatoms attached on top of the edges of graphene influence the carbon K-edge EELS. A single nitrogen adatom on graphene was imaged by STEM and chemically identified by EELS. We also extend this study to smal...

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Publication status:
Published

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Publisher copy:
10.1021/nl402514c

Authors


Warner, JH More by this author
Robertson, AW More by this author
Suenaga, K More by this author
Journal:
Nano letters
Volume:
13
Issue:
10
Pages:
4820-4826
Publication date:
2013-10-05
DOI:
EISSN:
1530-6992
ISSN:
1530-6984
URN:
uuid:d921554f-8dc9-4928-8fba-a89760549120
Source identifiers:
425515
Local pid:
pubs:425515
Language:
English
Keywords:

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