Shu-Jen Han, Dharmendar Reddy, et al.
ACS Nano
The incommensurate 5×5 Cu/Si(111) structure has been examined by scanning tunneling microscopy. Images show that the surface structure is not well described as a hexagonal copper layer modulated at the Si(111) periodicity. Rather, the surface breaks up into 5×5 subunits which pack at spacings varying from 5 to 7 lattice constants, implying that substrate-adsorbate interactions dominate lateral interactions within the Cu adlayer. © 1988 The American Physical Society.
Shu-Jen Han, Dharmendar Reddy, et al.
ACS Nano
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Digital Discovery
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Macromolecules
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Surface Science