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The growth and surface morphology of indium and aluminum nanostructures on highly oriented pyrolytic graphite (HOPG) and molybdenum disulphide (MoS 2 ) surfaces were investigated using scanning tunneling microscopy in ultra-high vacuum. Mostly triangular and hexagonal In islands with (111) orientation were obtained along the steps of HOPG at room temperature (RT). Triangular, round-shape and...
The normal contact forces in a vibratory finishing machine were measured and compared with the resulting changes in surface roughness and hardness of two aluminum alloys, AA1100-O and AA6061-T6. The principal variables were the media size, degree of lubrication and the duration of the vibratory finishing. The changes in hardness and roughness were found to depend mostly on the lubrication condition,...
We have studied changes in surface morphology of vicinal Si(111) surfaces with a miscut of 1.3° in the [2 ̄11] direction after Al deposition at elevated temperatures. The clean surface phase separates into a (111)-oriented phase and a stepped phase. Submonolayer Al deposition at 650°C, the normal preparation temperature of the Al/Si(111)-( 3× 3)R30° structure, only induces minor changes in the surface...
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