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Adsorption structures of tetracene on the Ru(1 0 1¯ 0) surface has been investigated by means of ab initio density functional theory (DFT) calculations. Several adsorption geometries of tetracene on Ru(1 0 1¯ 0) were examined in details. The optimized structures have an adsorption energy of 4.23eV for tetracene adsorbed between the top and the second Ru atoms rows with its long molecular axis along...
Scanning tunneling microscopy (STM) and ultraviolet photoemission spectroscopy (UPS) measurements for oxygen adsorption on Ru(1010) were performed. The STM images taken on the c(2x4)-2O phase showed a c(2x4) symmetry, in which four Ru atoms without any oxygen atoms in between were supposed to be imaged as a bright spot. In the c(2x4)-2O phase, a domain boundary was identified. In the (2x1)p2mg-2O...
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