Surface Nanowires
Insurmountable technological challenges and fundamental physics principles will soon halt the incredible saga of device miniaturization in silicon industry (Moore's Law). The alternative "bottom-up" approach to nanoelectronics aims to use molecules or even single atoms as basic building blocks for electronic structures and devices. Interconnects consisting of "atomic wires" can already be fabricated in the laboratory but their electrical properties will likely be very exotic.
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Atomic wires on Si(112) as seen with the Scanning Tunneling Microscope. (courtesy of Paul Snijders and Mihaela Demeter) |
In our Laboratory, we investigate the electronic properties of atomic wires or arrays of wires on semiconductor templates, using a variety of surface analysis techniques. Our interests are mainly fundamental and are aimed at understanding their exotic electronic properties in relation to atomic structure. Specific topics include structural relaxations, phase transitions, charge- and spin density waves, spin-charge separation, localization, and electrical transport. This work is done in close collaboration with experimentalists and theorists around the world.
| Coworkers: | Paul Snijders (graduate student) |
| Collaborators: | Jose Ortega, Fernando Flores (theory) Sven Rogge, Teun Klapwijk Torben Hansen, Peter Bøggild |
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