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The Oncel Lab
Currently, we have two ongoing projects:
1- Iridium modified Silicon surfaces, (sponsored by NSF-Division of Material Research)
2- Self-assembled monolayers of molecules on graphene, (sponsored by ND-EPSCoR)
In the lab, we have two Scanning Tunneling Microscopes (STM's). One of them is a variable tempreture STM from Omicron and the other one is a nanoscope table top STM. Both of the STMs are currently up and running. Below you may find a couple of STM images exemplifying our capabilities.
Self-assembled FeTCPP chains on HOPG surface:
These are 3D images and you need to use Red and BLUE Anaglyph Glasses.
STM-LEED-AUGER SYSTEM IS UP&RUNNING:
HOPG LEED pattern:
Images from UHV-STM
a ) STM image of a clean Si(111) surface. 7x7 structure is clearly visible.
b) Iridium modified Si(111) surface