Coherent Single Charge Transport in Molecular-Scale Silicon Nanowire Transistors

Details Coherent Single Charge Transport in Molecular-Scale Silicon Nanowire Transistors Coherent Single Charge Transport in Molecular-Scale Silicon Nanowire Transistors

2004-12-30

arxiv.org/abs/cond-mat/0412756v1

Physics

Condensed Matter

Materials Science

4 pages and 4 figures

Scientific paper

We report low-temperature electrical transport studies of molecule-scale silicon nanowires. Individual nanowires exhibit well-defined Coulomb blockade oscillations characteristic of charge addition to a single nanostructure with length scales up to at least 400 nm. Further studies demonstrate coherent charge transport through discrete single particle quantum levels extending the whole device, and show that the ground state spin configuration follows the Lieb-Mattis theorem. In addition, depletion of the nanowires suggests that phase coherent single-dot characteristics are accessible in a regime where correlations are strong.

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