Picture Information

Picture Title:Quantum Corrals
Photographer/ Operator/ Designer Name:M.F. Crommie, C.P. Lutz, and D.M. Eigler
Institute Site:http://www.almaden.ibm.com/vis/stm/stm.html
Description:Scientists discovered a new method for confining electrons to artificial structures at the nanometer length scale. Surface state electrons on Cu(111) were confined to closed structures (corrals) defined by barriers built from Fe adatoms. The barriers were assembled by individually positioning Fe adatoms using the tip of a low temperature scanning tunneling microscope (STM). A circular corral of radius 71.3 Angstrom was constructed in this way out of 48 Fe adatoms.
Institute Site:http://www.nanopicoftheday.org/2003Pics/qcorrals.htm
Dimensions:600 * 429

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