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Dissociation of Individual Molecules with Electrons from the Tip of a Scanning Tunneling Microscope

G. Dujardin, R. E. Walkup and Ph. Avouris
Science
New Series, Vol. 255, No. 5049 (Mar. 6, 1992), pp. 1232-1235
Stable URL: http://www.jstor.org/stable/2876537
Page Count: 4
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Dissociation of Individual Molecules with Electrons from the Tip of a Scanning Tunneling Microscope
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Abstract

The scanning tunneling microscope (STM) can be used to select a particular adsorbed molecule, probe its electronic structure, dissociate the molecule by using electrons from the STM tip, and then examine the dissociation products. These capabilities are demonstrated for decaborane(14) (B$_{10}$H$_{14}$) molecules adsorbed on a silicon(111)-(7 × 7) surface. In addition to basic studies, such selective dissociation processes can be used in a variety of applications to control surface chemistry on the molecular scale.

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