Abstract
The dynamics of two types of atomic seesaws are studied by open feedback loop scanning tunneling microscopy. The first type of atomic seesaw is a regular Ge dimer of the dimer reconstructed Ge(001) surface and the second type of atomic seesaw is a dimer located on the ridges of Au induced nanowires on a Ge(001) surface. On the bare Ge(001) surface the flip-flop motion of the dimers is induced by phasons, which perform a one-dimensional random walk along the substrate dimer rows. The phasons on the Au induced nanowires ridges are pinned and therefore only a limited number of dimers exhibit flip-flop behavior for the Au/Ge(001) system.
Original language | Undefined |
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Pages (from-to) | 264004- |
Journal | Journal of physics: Condensed matter |
Volume | 22 |
Issue number | 26 |
DOIs | |
Publication status | Published - 2010 |
Keywords
- METIS-266598
- IR-72804