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arXiv · 0706.3175

Unveiling new systematics in the self-assembly of atomic chains on Si(111)

C. Battaglia·H. Cercellier·C. Monney·L. Despont·M. G. Garnier·P. Aebi
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Abstract

Self-assembled arrays of atomic chains on Si(111) represent a fascinating family of nanostructures with quasi-one-dimensional electronic properties. These surface reconstructions are stabilized by a variety of adsorbates ranging from alkali and alkaline earth metals to noble and rare earth metals. Combining the complementary strength of dynamical low-energy electron diffraction, scanning tunneling microscopy and angle-resolved photoemission spectroscopy, we recently showed that besides monovalent and divalent adsorbates, trivalent adsorbates are also able to stabilize silicon honeycomb chains. Consequently silicon honeycomb chains emerge as a most stable, universal building block shared by many atomic chain structures. We here present the systematics behind the self-assembly mechanism of these chain systems and relate the valence state of the adsorbate to the accessible symmetries of the chains.

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C. Battaglia, H. Cercellier, C. Monney, L. Despont, M. G. Garnier, P. Aebi. 2007-06-21. Unveiling new systematics in the self-assembly of atomic chains on Si(111). https://doi.org/10.1088/1742-6596/100/5/052078

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