Flying over Atoms: Silicon, Empty State

Clean Si 001 Empty State

See larger version of surface image above and a image created with Vistapro.

A clean Si(001) surface imaged at sample positive bias of +2.0 V. In other words, the microscope was probing the empty states. This can be linked to the concept of pi* orbitals such as in the carbon-carbon double bond. In that case, one would see a node between the two species in the bond. There are also some defects on the surface that show up as holes and protrusions. The RAW data file is 293 angstroms on a side.

Fly-over movies

Explore the regular repeating patterns at surface level.

Take a dune buggy ride over the surface. Hang on tight!

Vistapro surface file: 7085Si.DEM
For directions on using Vistapro to view this surface see the Vistapro Lesson.

Copyright © 1998 Division of Chemical Education Inc. of the American Chemical Society.
All rights reserved.


Clean Si 001 Empty State
See larger version of surface image above and a image created with Vistapro.		A clean Si(001) surface imaged at sample positive bias of +2.0 V. In other words, the microscope was probing the empty states. This can be linked to the concept of pi* orbitals such as in the carbon-carbon double bond. In that case, one would see a node between the two species in the bond. There are also some defects on the surface that show up as holes and protrusions. The RAW data file is 293 angstroms on a side.


Fly-over movies
	Explore the regular repeating patterns at surface level.
	Take a dune buggy ride over the surface. Hang on tight!


Vistapro surface file: 7085Si.DEM For directions on using Vistapro to view this surface see the Vistapro Lesson.

Copyright © 1998 Division of Chemical Education Inc. of the American Chemical Society. All rights reserved.