2006/11/30 by C. Battaglia, Corsin Battaglia, H. Cercellier +4 · 2 citations
Materials Science · Physics and Astronomy · #Copper Interconnects and Reliability #Semiconductor materials and interfaces #Surface and Thin Film Phenomena #cond-mat.other
paper · pdf · doi:10.1209/0295-5075/77/36003
published as EPL 77, 36003 (2007) · to be published in Europhysics Letters
arxiv created 2006/11/30 · openalex publication_date 2007/02/01 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/30
The atomic structure of self-assembled quasi-one-dimensional Gd chains on Si(111) has been investigated by low-energy electron diffraction and scanning tunneling microscopy. Based on comparison between Gd and Ca chains we show that this Gd-induced surface reconstruction belongs to the class of honeycomb chain-channel structures. This clearly demonstrates that, besides monovalent and divalent adsorbates, also trivalent adsorbates such as Gd stabilize silicon honeycomb chains. Consequently silicon honeycomb chains emerge as an universal building block in adsorbate-induced silicon surface reconstructions.