Dynamics of Au-induced nanowires on Ge(001)

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Mocking, Tijs F. and Stam, Daan and Poelsema, Bene and Zandvliet, Harold J.W. (2010) Dynamics of Au-induced nanowires on Ge(001). Surface Science, 604 (21-22). pp. 2021-2023. ISSN 0039-6028

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Abstract:We have studied the dynamics of Au-induced nanowires on Ge(001) using scanning tunnelling microscopy. The ridges of these nanowires consist of buckled dimers that have their dimer bond aligned in a direction perpendicular to the nanowire direction. Neighbouring dimers have a preference to buckle in an opposite direction, leading to rows with a zigzag appearance. Dimers located at anti-phase boundaries continuously flip back and forth between their two buckled configurations. This process is thermally induced and occurs at an average frequency of 25 Hz at room temperature.

Item Type:Article
Copyright:© 2010 Elsevier B.V.
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Science and Technology (TNW)
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Link to this item:http://purl.utwente.nl/publications/73973
Official URL:http://dx.doi.org/10.1016/j.susc.2010.08.015
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