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Publication Citation: Electronically Induced Atom Motion in Engineered CoCu Nanostructures

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Author(s): Joseph A. Stroscio; Francesca M. Tavazza; Jason Crain; Robert Celotta; Anne M. Chaka;
Title: Electronically Induced Atom Motion in Engineered CoCu Nanostructures
Published: August 18, 2006
Abstract: We have measured the quantum yield for exciting the motion of a single Co atom in CoCun linear molecules constructed on a Cu(111) surface. The Co atom switched between two lattice positions during electron excitation from the tip of a scanning tunneling microscope. The tip location with highest probability for inducing motion was consistent with the position of an active state identified through electronic structure calculations. Atom motion within the molecule decreased with increased molecular length and reflected the corresponding variation in electronic structure.
Citation: Science
Volume: 313
Issue: 5789
Pages: pp. 948 - 951
Keywords: ATOM
Research Areas: Scanning tunneling microscopy (STM)