The adsorption of 2-mercaotobenzoxazole (C7H5NOS) on Cu(1 0 0) at room temp
erature was studied by scanning tunneling microscopy. The deposition was pe
rformed in ultrahigh vacuum in the range of exposure 0.15-90 L by sublimati
on of the molecule. After the exposure of 0.8 L it is possible to locate or
dered domains with well-defined parallel rows. After 38 L of deposition the
surface appears completely covered by rounded protrusions randomly distrib
uted. These results suggest a Stranski-Krastanov growth mode: initially an
ordered monolayer forms and above this layer other molecules are adsorbed w
ith a random distribution. (C) 2000 Elsevier Science B.V. All rights reserv
ed.