4 article(s) from Schirmeisen, Andre
Figure 1: a) Scheme of a MoO3 nanocrystal on MoS2. The AFM tip is firmly positioned on top on the nanocrystal...
Figure 2: a) Example of a nanomanipulation during which half of a nanoparticle is scan-imaged, before the tip...
Figure 3: Dependence of nanoparticle shear stress on the contact area. a) Relative shear stress obtained from...
Figure 4: Front perspective: a snapshot of a MD-simulated frictional interface between a colloidal monolayer ...
Figure 5: a) A graphene nanoribbon manipulated along a Au(111) surface. A probing tip lifts the GNR verticall...
Figure 6: Single-molecule tribology. a) Schematic drawing of the experiment: A single porphyrin molecule is a...
Figure 7: Non-contact friction experiments of NbSe2. At certain voltages and distances, one finds dramaticall...
Figure 8: The “Swiss Nanodragster” (SND), a 4’-(p-tolyl)-2,2’:6’,2”-terpyridine molecule, was moved across an...
Figure 9: Example of a change of conformation potentially triggered at surfaces. a) Trans (1) and cis (2) iso...
Figure 1: Determination of the geometric dimensions of a quarts tuning fork (Micro Crystal, type DS26 used fo...
Figure 2: Photograph of the experimental setup. Not shown in the picture is the micrometer screw 1, which pus...
Figure 3: Diagram of a “push” experiment to measure the stiffness of the free prong of a “qPlus” sensor by th...
Figure 4: Image of the geometric model reflecting the geometry of an actual “qPlus” sensor. The model include...
Figure 5: FEM simulation of von Mises stress. Analysis of the stress caused by the bending of the free prong....
Figure 6: Diagram showing the results of the FEM simulation as a function of the shift of the origin. While f...
Figure 7: Comparison between the beam formula, experimental measurements and FEM simulation with the force di...
Figure 8: Comparison between tip on side (TOS) and tip on top (TOT) configurations as possible origin of the ...
Figure 9: FEM simulation result displaying the influence of a tilted tungsten wire on the resulting spring co...
Figure 10: Comparison of the spring constants from experiment with FEM simulations and calculations using the ...
Figure 1: (a) STM topography scan (V = 0.2 V, I = 0.3 nA) of PTCDA on Ag(111). The two molecule orientations ...
Figure 2: Horizontal cut through the 3D field of the vertical tip–sample forces at a distance of z = 0.60 nm ...
Figure 3: (a) Tip–sample forces as a function of z distance averaged for the area above the end groups and th...
Figure 4: (a) Horizontal cut through the 3D force field at z = 0.60 nm and (b) vertical cuts at y = 0.9 nm an...
Figure 5: Comparison of force versus distance curves for molecule sites A and B. The forces are averaged for ...