Journal
SURFACE SCIENCE
Volume 608, Issue -, Pages 297-300Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.susc.2012.10.022
Keywords
Silicene; LEED; STM; Surface structure
Categories
Funding
- Ministry of Education, Culture, Sports, Science and Technology (MEXT) [24241040]
- World Premier International Research Center Initiative (WPI), MEXT, Japan
- National Science Council, Taiwan [100-2917-I-564-022]
- Grants-in-Aid for Scientific Research [24540332] Funding Source: KAKEN
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Low energy electron diffraction (LEED), low temperature scanning tunneling microscopy (STM) and density functional theory (DFT) based calculations were used to determine the evolution of the silicene structure on a Ag(111) surface. The phase diagram of the structure was obtained using LEED patterns. The corresponding atomic arrangements were confirmed using STM observations. Results show that the structure of silicene is controlled by the substrate temperature during deposition. Finally, we succeeded in synthesizing silicene on silicene/Ag(111), i.e. bilayer silicene. (C) 2012 Elsevier B.V. All rights reserved.
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