Playing Pinball with Atoms


Saedi, Amirmehdi and Houselt, Arie van and Gastel, Raoul van and Poelsema, Bene and Zandvliet, Harold J.W. (2009) Playing Pinball with Atoms. Nano Letters, 9 (5). pp. 1733-1736. ISSN 1530-6984

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Abstract:We demonstrate the feasibility of controlling an atomic scale mechanical device by an external electrical signal. On a germanium substrate, a switching motion of pairs of atoms is induced by electrons that are directly injected into the atoms with a scanning tunneling microscope tip. By precisely controlling the tip current and distance we make two atom pairs behave like the flippers of an atomic-sized pinball machine. This atomic scale mechanical device exhibits six different configurations.
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Copyright:© 2009 American Chemical Society
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