Abstract
We report on the structural and the electronic properties of Pb atomic chains fabricated on the prepatterned well-ordered Si(553)-Au surface. Using scanning tunneling microscopy/spectroscopy (STM/STS) and angle-resolved photoemission (ARPES) supplemented by first-principles density functional theory (DFT) calculations, we show that submonolayer coverage of Pb (0.35 ML) leads to a regular array of several nanometers long double Pb chains. The electronic band structure and the simulated STM topography images obtained from the DFT calculations agree well with the ARPES and STM/STS data.
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