AFM Observation of Ge/Si(105) Surfaces

Tapping Mode AFM Imaging for Functionalized Surfaces

AFM Specific Identification of Bacterial Cell Fragments on Biofunctional Surfaces

Biointerfaces with a highly sensitive surface designed for specific interaction with biomolecules are essential approaches for providing advanced biochemical and biosensor assays. For the first time, we have introduced a simple AFM-based recognition system capable of visualizing specific bacterial nanofragments and identifying the corresponding bacterial type. For this we developed AFM-adjusted...

Quantitative AFM analysis of phase separated borosilicate glass surfaces

Phase separated borosilicate glass samples were prepared by applying various heat treatments. Using selective chemical etching we performed AFM measurement on the phase separated glass surfaces. A quantitative roughness analysis allowed us to measure precisely the dependence of the characteristic size of the phase domains on heating time and temperature. The experimental measurements are very w...

Nanoscale rippling on polymer surfaces induced by AFM manipulation

Nanoscale rippling induced by an atomic force microscope (AFM) tip can be observed after performing one or many scans over the same area on a range of materials, namely ionic salts, metals, and semiconductors. However, it is for the case of polymer films that this phenomenon has been widely explored and studied. Due to the possibility of varying and controlling various parameters, this phenomen...

Contrast mechanism in non-contact AFM on reactive surfaces

Total-energy pseudopotential calculations are used to study the imaging process in non-contact atomic force microscopy on Si(l 1 l) surfaces. The atomic resolution seen in the experiments is attributed to the onset of covalent bonding between a Iocalised dangling bond on the atom at the apex of the tip and the dangling bonds on the adatoms in the surface. This interaction dominates the force gr...